Home / 19,413,818.60-29,120,727.90-19,161,876.20

Finding the Fourth Proportional to 19,413,818.60, 29,120,727.90 and 19,161,876.20

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Solution

The fourth proportional to 19,413,818.60, 29,120,727.90 and 19,161,876.20 is: 28,742,814.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413,818.60 : 29,120,727.90 = 19,161,876.20 : x
  2. Step 2: Convert to fraction form
    19,413,818.60/29,120,727.90 = 19,161,876.20/x
  3. Step 3: Cross multiply
    19,413,818.60x = 29,120,727.90 × 19,161,876.20
  4. Step 4: Simplify right side
    19,413,818.60x = 558,007,782,873,685.94
  5. Step 5: Solve for x
    x = 558,007,782,873,685.94/19,413,818.60
  6. Step 6: Final answer
    x = 28,742,814.30

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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.