Home / 10,866,425.20-16,310,135.40-6,614,897.20

Finding the Fourth Proportional to 10,866,425.20, 16,310,135.40 and 6,614,897.20

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Solution

The fourth proportional to 10,866,425.20, 16,310,135.40 and 6,614,897.20 is: 9,928,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,425.20 : 16,310,135.40 = 6,614,897.20 : x
  2. Step 2: Convert to fraction form
    10,866,425.20/16,310,135.40 = 6,614,897.20/x
  3. Step 3: Cross multiply
    10,866,425.20x = 16,310,135.40 × 6,614,897.20
  4. Step 4: Simplify right side
    10,866,425.20x = 107,889,868,989,080.89
  5. Step 5: Solve for x
    x = 107,889,868,989,080.89/10,866,425.20
  6. Step 6: Final answer
    x = 9,928,736.18

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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.