Home / 10,752,728.40-16,129,092.60-10,387,774.80

Finding the Fourth Proportional to 10,752,728.40, 16,129,092.60 and 10,387,774.80

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Solution

The fourth proportional to 10,752,728.40, 16,129,092.60 and 10,387,774.80 is: 15,581,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,728.40 : 16,129,092.60 = 10,387,774.80 : x
  2. Step 2: Convert to fraction form
    10,752,728.40/16,129,092.60 = 10,387,774.80/x
  3. Step 3: Cross multiply
    10,752,728.40x = 16,129,092.60 × 10,387,774.80
  4. Step 4: Simplify right side
    10,752,728.40x = 167,545,381,657,146.50
  5. Step 5: Solve for x
    x = 167,545,381,657,146.50/10,752,728.40
  6. Step 6: Final answer
    x = 15,581,662.20

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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.