Home / 20,736,200.10-31,104,300.15-10,639,841.70

Finding the Fourth Proportional to 20,736,200.10, 31,104,300.15 and 10,639,841.70

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Solution

The fourth proportional to 20,736,200.10, 31,104,300.15 and 10,639,841.70 is: 15,959,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,200.10 : 31,104,300.15 = 10,639,841.70 : x
  2. Step 2: Convert to fraction form
    20,736,200.10/31,104,300.15 = 10,639,841.70/x
  3. Step 3: Cross multiply
    20,736,200.10x = 31,104,300.15 × 10,639,841.70
  4. Step 4: Simplify right side
    20,736,200.10x = 330,944,829,785,286.19
  5. Step 5: Solve for x
    x = 330,944,829,785,286.19/20,736,200.10
  6. Step 6: Final answer
    x = 15,959,762.55

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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.