Home / 20,228,747.10-30,343,120.65-13,426,302.30

Finding the Fourth Proportional to 20,228,747.10, 30,343,120.65 and 13,426,302.30

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Solution

The fourth proportional to 20,228,747.10, 30,343,120.65 and 13,426,302.30 is: 20,139,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,747.10 : 30,343,120.65 = 13,426,302.30 : x
  2. Step 2: Convert to fraction form
    20,228,747.10/30,343,120.65 = 13,426,302.30/x
  3. Step 3: Cross multiply
    20,228,747.10x = 30,343,120.65 × 13,426,302.30
  4. Step 4: Simplify right side
    20,228,747.10x = 407,395,910,572,272.50
  5. Step 5: Solve for x
    x = 407,395,910,572,272.50/20,228,747.10
  6. Step 6: Final answer
    x = 20,139,453.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.