Home / 10,382,142.80-15,563,091.74-4,148,387.87

Finding the Fourth Proportional to 10,382,142.80, 15,563,091.74 and 4,148,387.87

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Solution

The fourth proportional to 10,382,142.80, 15,563,091.74 and 4,148,387.87 is: 6,218,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,142.80 : 15,563,091.74 = 4,148,387.87 : x
  2. Step 2: Convert to fraction form
    10,382,142.80/15,563,091.74 = 4,148,387.87/x
  3. Step 3: Cross multiply
    10,382,142.80x = 15,563,091.74 × 4,148,387.87
  4. Step 4: Simplify right side
    10,382,142.80x = 64,561,740,895,355.80
  5. Step 5: Solve for x
    x = 64,561,740,895,355.80/10,382,142.80
  6. Step 6: Final answer
    x = 6,218,537.17

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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.