Home / 13,178,432.70-19,746,653.85-9,777,210.30

Finding the Fourth Proportional to 13,178,432.70, 19,746,653.85 and 9,777,210.30

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Solution

The fourth proportional to 13,178,432.70, 19,746,653.85 and 9,777,210.30 is: 14,650,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178,432.70 : 19,746,653.85 = 9,777,210.30 : x
  2. Step 2: Convert to fraction form
    13,178,432.70/19,746,653.85 = 9,777,210.30/x
  3. Step 3: Cross multiply
    13,178,432.70x = 19,746,653.85 × 9,777,210.30
  4. Step 4: Simplify right side
    13,178,432.70x = 193,067,187,412,754.69
  5. Step 5: Solve for x
    x = 193,067,187,412,754.69/13,178,432.70
  6. Step 6: Final answer
    x = 14,650,238.90

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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.