Home / 8,688,038.20-13,032,057.30-3,960,230.20

Finding the Fourth Proportional to 8,688,038.20, 13,032,057.30 and 3,960,230.20

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Solution

The fourth proportional to 8,688,038.20, 13,032,057.30 and 3,960,230.20 is: 5,940,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,038.20 : 13,032,057.30 = 3,960,230.20 : x
  2. Step 2: Convert to fraction form
    8,688,038.20/13,032,057.30 = 3,960,230.20/x
  3. Step 3: Cross multiply
    8,688,038.20x = 13,032,057.30 × 3,960,230.20
  4. Step 4: Simplify right side
    8,688,038.20x = 51,609,946,887,590.47
  5. Step 5: Solve for x
    x = 51,609,946,887,590.47/8,688,038.20
  6. Step 6: Final answer
    x = 5,940,345.30

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Similar ratio
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1.5x scale

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.