Home / 20,348,423.67-28,080,818.23-11,181,656.91

Finding the Fourth Proportional to 20,348,423.67, 28,080,818.23 and 11,181,656.91

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Solution

The fourth proportional to 20,348,423.67, 28,080,818.23 and 11,181,656.91 is: 15,430,683.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,423.67 : 28,080,818.23 = 11,181,656.91 : x
  2. Step 2: Convert to fraction form
    20,348,423.67/28,080,818.23 = 11,181,656.91/x
  3. Step 3: Cross multiply
    20,348,423.67x = 28,080,818.23 × 11,181,656.91
  4. Step 4: Simplify right side
    20,348,423.67x = 313,990,075,214,227.25
  5. Step 5: Solve for x
    x = 313,990,075,214,227.25/20,348,423.67
  6. Step 6: Final answer
    x = 15,430,683.00

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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.