Home / 14,387,218.65-19,863,160.20-9,362,755.85

Finding the Fourth Proportional to 14,387,218.65, 19,863,160.20 and 9,362,755.85

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Solution

The fourth proportional to 14,387,218.65, 19,863,160.20 and 9,362,755.85 is: 12,926,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387,218.65 : 19,863,160.20 = 9,362,755.85 : x
  2. Step 2: Convert to fraction form
    14,387,218.65/19,863,160.20 = 9,362,755.85/x
  3. Step 3: Cross multiply
    14,387,218.65x = 19,863,160.20 × 9,362,755.85
  4. Step 4: Simplify right side
    14,387,218.65x = 185,973,919,262,721.38
  5. Step 5: Solve for x
    x = 185,973,919,262,721.38/14,387,218.65
  6. Step 6: Final answer
    x = 12,926,328.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.