Home / 51,657,988.28-71,288,019.83-28,453,115.24

Finding the Fourth Proportional to 51,657,988.28, 71,288,019.83 and 28,453,115.24

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Solution

The fourth proportional to 51,657,988.28, 71,288,019.83 and 28,453,115.24 is: 39,265,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,657,988.28 : 71,288,019.83 = 28,453,115.24 : x
  2. Step 2: Convert to fraction form
    51,657,988.28/71,288,019.83 = 28,453,115.24/x
  3. Step 3: Cross multiply
    51,657,988.28x = 71,288,019.83 × 28,453,115.24
  4. Step 4: Simplify right side
    51,657,988.28x = 2,028,366,242,955,689.50
  5. Step 5: Solve for x
    x = 2,028,366,242,955,689.50/51,657,988.28
  6. Step 6: Final answer
    x = 39,265,296.82

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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.