Home / 8,688,730.30-13,037,761.05-3,640,551.10

Finding the Fourth Proportional to 8,688,730.30, 13,037,761.05 and 3,640,551.10

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Solution

The fourth proportional to 8,688,730.30, 13,037,761.05 and 3,640,551.10 is: 5,462,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,730.30 : 13,037,761.05 = 3,640,551.10 : x
  2. Step 2: Convert to fraction form
    8,688,730.30/13,037,761.05 = 3,640,551.10/x
  3. Step 3: Cross multiply
    8,688,730.30x = 13,037,761.05 × 3,640,551.10
  4. Step 4: Simplify right side
    8,688,730.30x = 47,464,635,332,114.66
  5. Step 5: Solve for x
    x = 47,464,635,332,114.66/8,688,730.30
  6. Step 6: Final answer
    x = 5,462,781.52

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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.