Home / 19,413,647.10-29,120,470.65-19,161,704.70

Finding the Fourth Proportional to 19,413,647.10, 29,120,470.65 and 19,161,704.70

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Solution

The fourth proportional to 19,413,647.10, 29,120,470.65 and 19,161,704.70 is: 28,742,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413,647.10 : 29,120,470.65 = 19,161,704.70 : x
  2. Step 2: Convert to fraction form
    19,413,647.10/29,120,470.65 = 19,161,704.70/x
  3. Step 3: Cross multiply
    19,413,647.10x = 29,120,470.65 × 19,161,704.70
  4. Step 4: Simplify right side
    19,413,647.10x = 557,997,859,320,317
  5. Step 5: Solve for x
    x = 557,997,859,320,317/19,413,647.10
  6. Step 6: Final answer
    x = 28,742,557.05

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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.