Home / 18,663,759.60-27,920,989.80-16,167,145.20

Finding the Fourth Proportional to 18,663,759.60, 27,920,989.80 and 16,167,145.20

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Solution

The fourth proportional to 18,663,759.60, 27,920,989.80 and 16,167,145.20 is: 24,186,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663,759.60 : 27,920,989.80 = 16,167,145.20 : x
  2. Step 2: Convert to fraction form
    18,663,759.60/27,920,989.80 = 16,167,145.20/x
  3. Step 3: Cross multiply
    18,663,759.60x = 27,920,989.80 × 16,167,145.20
  4. Step 4: Simplify right side
    18,663,759.60x = 451,402,696,224,318.94
  5. Step 5: Solve for x
    x = 451,402,696,224,318.94/18,663,759.60
  6. Step 6: Final answer
    x = 24,186,053.93

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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.