Home / 10,897,659-15,040,212.84-7,041,394.80

Finding the Fourth Proportional to 10,897,659, 15,040,212.84 and 7,041,394.80

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Solution

The fourth proportional to 10,897,659, 15,040,212.84 and 7,041,394.80 is: 9,718,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897,659 : 15,040,212.84 = 7,041,394.80 : x
  2. Step 2: Convert to fraction form
    10,897,659/15,040,212.84 = 7,041,394.80/x
  3. Step 3: Cross multiply
    10,897,659x = 15,040,212.84 × 7,041,394.80
  4. Step 4: Simplify right side
    10,897,659x = 105,904,076,482,469.23
  5. Step 5: Solve for x
    x = 105,904,076,482,469.23/10,897,659
  6. Step 6: Final answer
    x = 9,718,057.47

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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.