Home / 14,743,996.21-20,346,809.48-8,218,040.19

Finding the Fourth Proportional to 14,743,996.21, 20,346,809.48 and 8,218,040.19

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Solution

The fourth proportional to 14,743,996.21, 20,346,809.48 and 8,218,040.19 is: 11,340,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743,996.21 : 20,346,809.48 = 8,218,040.19 : x
  2. Step 2: Convert to fraction form
    14,743,996.21/20,346,809.48 = 8,218,040.19/x
  3. Step 3: Cross multiply
    14,743,996.21x = 20,346,809.48 × 8,218,040.19
  4. Step 4: Simplify right side
    14,743,996.21x = 167,210,898,044,913
  5. Step 5: Solve for x
    x = 167,210,898,044,913/14,743,996.21
  6. Step 6: Final answer
    x = 11,340,948.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.