Home / 18,724,089.60-28,086,134.40-15,889,737.60

Finding the Fourth Proportional to 18,724,089.60, 28,086,134.40 and 15,889,737.60

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Solution

The fourth proportional to 18,724,089.60, 28,086,134.40 and 15,889,737.60 is: 23,834,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,089.60 : 28,086,134.40 = 15,889,737.60 : x
  2. Step 2: Convert to fraction form
    18,724,089.60/28,086,134.40 = 15,889,737.60/x
  3. Step 3: Cross multiply
    18,724,089.60x = 28,086,134.40 × 15,889,737.60
  4. Step 4: Simplify right side
    18,724,089.60x = 446,281,305,814,333.38
  5. Step 5: Solve for x
    x = 446,281,305,814,333.38/18,724,089.60
  6. Step 6: Final answer
    x = 23,834,606.40

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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.