Home / 19,820,807.60-29,753,329.80-18,521,351.60

Finding the Fourth Proportional to 19,820,807.60, 29,753,329.80 and 18,521,351.60

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Solution

The fourth proportional to 19,820,807.60, 29,753,329.80 and 18,521,351.60 is: 27,802,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820,807.60 : 29,753,329.80 = 18,521,351.60 : x
  2. Step 2: Convert to fraction form
    19,820,807.60/29,753,329.80 = 18,521,351.60/x
  3. Step 3: Cross multiply
    19,820,807.60x = 29,753,329.80 × 18,521,351.60
  4. Step 4: Simplify right side
    19,820,807.60x = 551,071,882,496,557.75
  5. Step 5: Solve for x
    x = 551,071,882,496,557.75/19,820,807.60
  6. Step 6: Final answer
    x = 27,802,695.71

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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.