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Finding the Fourth Proportional to 19,773,362.68, 29,649,231.52 and 15,700,844.40

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Solution

The fourth proportional to 19,773,362.68, 29,649,231.52 and 15,700,844.40 is: 23,542,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773,362.68 : 29,649,231.52 = 15,700,844.40 : x
  2. Step 2: Convert to fraction form
    19,773,362.68/29,649,231.52 = 15,700,844.40/x
  3. Step 3: Cross multiply
    19,773,362.68x = 29,649,231.52 × 15,700,844.40
  4. Step 4: Simplify right side
    19,773,362.68x = 465,517,970,675,095.50
  5. Step 5: Solve for x
    x = 465,517,970,675,095.50/19,773,362.68
  6. Step 6: Final answer
    x = 23,542,681.04

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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.