Home / 19,956,665.40-29,934,998.10-19,691,244.60

Finding the Fourth Proportional to 19,956,665.40, 29,934,998.10 and 19,691,244.60

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Solution

The fourth proportional to 19,956,665.40, 29,934,998.10 and 19,691,244.60 is: 29,536,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956,665.40 : 29,934,998.10 = 19,691,244.60 : x
  2. Step 2: Convert to fraction form
    19,956,665.40/29,934,998.10 = 19,691,244.60/x
  3. Step 3: Cross multiply
    19,956,665.40x = 29,934,998.10 × 19,691,244.60
  4. Step 4: Simplify right side
    19,956,665.40x = 589,457,369,687,635.38
  5. Step 5: Solve for x
    x = 589,457,369,687,635.38/19,956,665.40
  6. Step 6: Final answer
    x = 29,536,866.90

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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.