Home / 13,280,031.20-19,920,046.80-9,170,220.80

Finding the Fourth Proportional to 13,280,031.20, 19,920,046.80 and 9,170,220.80

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Solution

The fourth proportional to 13,280,031.20, 19,920,046.80 and 9,170,220.80 is: 13,755,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280,031.20 : 19,920,046.80 = 9,170,220.80 : x
  2. Step 2: Convert to fraction form
    13,280,031.20/19,920,046.80 = 9,170,220.80/x
  3. Step 3: Cross multiply
    13,280,031.20x = 19,920,046.80 × 9,170,220.80
  4. Step 4: Simplify right side
    13,280,031.20x = 182,671,227,502,333.47
  5. Step 5: Solve for x
    x = 182,671,227,502,333.47/13,280,031.20
  6. Step 6: Final answer
    x = 13,755,331.20

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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.