Home / 22,679,430.60-34,019,145.90-20,553,666.60

Finding the Fourth Proportional to 22,679,430.60, 34,019,145.90 and 20,553,666.60

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Solution

The fourth proportional to 22,679,430.60, 34,019,145.90 and 20,553,666.60 is: 30,830,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679,430.60 : 34,019,145.90 = 20,553,666.60 : x
  2. Step 2: Convert to fraction form
    22,679,430.60/34,019,145.90 = 20,553,666.60/x
  3. Step 3: Cross multiply
    22,679,430.60x = 34,019,145.90 × 20,553,666.60
  4. Step 4: Simplify right side
    22,679,430.60x = 699,218,182,845,357
  5. Step 5: Solve for x
    x = 699,218,182,845,357/22,679,430.60
  6. Step 6: Final answer
    x = 30,830,499.90

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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.