Home / 19,559,815.30-29,350,220.55-8,201,412.10

Finding the Fourth Proportional to 19,559,815.30, 29,350,220.55 and 8,201,412.10

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Solution

The fourth proportional to 19,559,815.30, 29,350,220.55 and 8,201,412.10 is: 12,306,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559,815.30 : 29,350,220.55 = 8,201,412.10 : x
  2. Step 2: Convert to fraction form
    19,559,815.30/29,350,220.55 = 8,201,412.10/x
  3. Step 3: Cross multiply
    19,559,815.30x = 29,350,220.55 × 8,201,412.10
  4. Step 4: Simplify right side
    19,559,815.30x = 240,713,253,956,438.66
  5. Step 5: Solve for x
    x = 240,713,253,956,438.66/19,559,815.30
  6. Step 6: Final answer
    x = 12,306,519.78

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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.