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Finding the Fourth Proportional to 17,855,697.87, 24,642,789.53 and 10,119,909.81

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Solution

The fourth proportional to 17,855,697.87, 24,642,789.53 and 10,119,909.81 is: 13,966,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855,697.87 : 24,642,789.53 = 10,119,909.81 : x
  2. Step 2: Convert to fraction form
    17,855,697.87/24,642,789.53 = 10,119,909.81/x
  3. Step 3: Cross multiply
    17,855,697.87x = 24,642,789.53 × 10,119,909.81
  4. Step 4: Simplify right side
    17,855,697.87x = 249,382,807,459,812.75
  5. Step 5: Solve for x
    x = 249,382,807,459,812.75/17,855,697.87
  6. Step 6: Final answer
    x = 13,966,567.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.