Home / 21,301,366.80-31,952,050.20-17,711,187.60

Finding the Fourth Proportional to 21,301,366.80, 31,952,050.20 and 17,711,187.60

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Solution

The fourth proportional to 21,301,366.80, 31,952,050.20 and 17,711,187.60 is: 26,566,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301,366.80 : 31,952,050.20 = 17,711,187.60 : x
  2. Step 2: Convert to fraction form
    21,301,366.80/31,952,050.20 = 17,711,187.60/x
  3. Step 3: Cross multiply
    21,301,366.80x = 31,952,050.20 × 17,711,187.60
  4. Step 4: Simplify right side
    21,301,366.80x = 565,908,755,296,817.50
  5. Step 5: Solve for x
    x = 565,908,755,296,817.50/21,301,366.80
  6. Step 6: Final answer
    x = 26,566,781.40

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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.