Home / 13,608,006.60-20,412,009.90-5,087,235.90

Finding the Fourth Proportional to 13,608,006.60, 20,412,009.90 and 5,087,235.90

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Solution

The fourth proportional to 13,608,006.60, 20,412,009.90 and 5,087,235.90 is: 7,630,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,006.60 : 20,412,009.90 = 5,087,235.90 : x
  2. Step 2: Convert to fraction form
    13,608,006.60/20,412,009.90 = 5,087,235.90/x
  3. Step 3: Cross multiply
    13,608,006.60x = 20,412,009.90 × 5,087,235.90
  4. Step 4: Simplify right side
    13,608,006.60x = 103,840,709,554,435.41
  5. Step 5: Solve for x
    x = 103,840,709,554,435.41/13,608,006.60
  6. Step 6: Final answer
    x = 7,630,853.85

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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.