Home / 15,048,007.20-22,572,010.80-9,365,306.40

Finding the Fourth Proportional to 15,048,007.20, 22,572,010.80 and 9,365,306.40

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Solution

The fourth proportional to 15,048,007.20, 22,572,010.80 and 9,365,306.40 is: 14,047,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048,007.20 : 22,572,010.80 = 9,365,306.40 : x
  2. Step 2: Convert to fraction form
    15,048,007.20/22,572,010.80 = 9,365,306.40/x
  3. Step 3: Cross multiply
    15,048,007.20x = 22,572,010.80 × 9,365,306.40
  4. Step 4: Simplify right side
    15,048,007.20x = 211,393,797,206,109.12
  5. Step 5: Solve for x
    x = 211,393,797,206,109.12/15,048,007.20
  6. Step 6: Final answer
    x = 14,047,959.60

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Double scale
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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.