Home / 18,701,376.30-28,052,064.45-6,572,711.70

Finding the Fourth Proportional to 18,701,376.30, 28,052,064.45 and 6,572,711.70

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Solution

The fourth proportional to 18,701,376.30, 28,052,064.45 and 6,572,711.70 is: 9,859,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,376.30 : 28,052,064.45 = 6,572,711.70 : x
  2. Step 2: Convert to fraction form
    18,701,376.30/28,052,064.45 = 6,572,711.70/x
  3. Step 3: Cross multiply
    18,701,376.30x = 28,052,064.45 × 6,572,711.70
  4. Step 4: Simplify right side
    18,701,376.30x = 184,378,132,219,669.06
  5. Step 5: Solve for x
    x = 184,378,132,219,669.06/18,701,376.30
  6. Step 6: Final answer
    x = 9,859,067.55

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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.