Home / 8,725,839.48-12,042,154.98-5,242,243.86

Finding the Fourth Proportional to 8,725,839.48, 12,042,154.98 and 5,242,243.86

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Solution

The fourth proportional to 8,725,839.48, 12,042,154.98 and 5,242,243.86 is: 7,234,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725,839.48 : 12,042,154.98 = 5,242,243.86 : x
  2. Step 2: Convert to fraction form
    8,725,839.48/12,042,154.98 = 5,242,243.86/x
  3. Step 3: Cross multiply
    8,725,839.48x = 12,042,154.98 × 5,242,243.86
  4. Step 4: Simplify right side
    8,725,839.48x = 63,127,913,005,073.43
  5. Step 5: Solve for x
    x = 63,127,913,005,073.43/8,725,839.48
  6. Step 6: Final answer
    x = 7,234,594.81

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1.5x scale

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.