Home / 8,639,149.62-12,953,710.96-4,090,160.00

Finding the Fourth Proportional to 8,639,149.62, 12,953,710.96 and 4,090,160.00

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Solution

The fourth proportional to 8,639,149.62, 12,953,710.96 and 4,090,160.00 is: 6,132,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,149.62 : 12,953,710.96 = 4,090,160.00 : x
  2. Step 2: Convert to fraction form
    8,639,149.62/12,953,710.96 = 4,090,160.00/x
  3. Step 3: Cross multiply
    8,639,149.62x = 12,953,710.96 × 4,090,160.00
  4. Step 4: Simplify right side
    8,639,149.62x = 52,982,750,442,312.48
  5. Step 5: Solve for x
    x = 52,982,750,442,312.48/8,639,149.62
  6. Step 6: Final answer
    x = 6,132,866.40

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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.