Home / 18,705,454.80-28,044,185.40-10,195,400.40

Finding the Fourth Proportional to 18,705,454.80, 28,044,185.40 and 10,195,400.40

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Solution

The fourth proportional to 18,705,454.80, 28,044,185.40 and 10,195,400.40 is: 15,285,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705,454.80 : 28,044,185.40 = 10,195,400.40 : x
  2. Step 2: Convert to fraction form
    18,705,454.80/28,044,185.40 = 10,195,400.40/x
  3. Step 3: Cross multiply
    18,705,454.80x = 28,044,185.40 × 10,195,400.40
  4. Step 4: Simplify right side
    18,705,454.80x = 285,921,699,044,834.12
  5. Step 5: Solve for x
    x = 285,921,699,044,834.12/18,705,454.80
  6. Step 6: Final answer
    x = 15,285,471.65

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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.