Home / 19,720,442.20-29,580,663.30-17,956,845.40

Finding the Fourth Proportional to 19,720,442.20, 29,580,663.30 and 17,956,845.40

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Solution

The fourth proportional to 19,720,442.20, 29,580,663.30 and 17,956,845.40 is: 26,935,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,442.20 : 29,580,663.30 = 17,956,845.40 : x
  2. Step 2: Convert to fraction form
    19,720,442.20/29,580,663.30 = 17,956,845.40/x
  3. Step 3: Cross multiply
    19,720,442.20x = 29,580,663.30 × 17,956,845.40
  4. Step 4: Simplify right side
    19,720,442.20x = 531,175,397,707,553.81
  5. Step 5: Solve for x
    x = 531,175,397,707,553.81/19,720,442.20
  6. Step 6: Final answer
    x = 26,935,268.10

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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.