Home / 13,272,423.16-18,306,165.27-10,009,375.42

Finding the Fourth Proportional to 13,272,423.16, 18,306,165.27 and 10,009,375.42

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Solution

The fourth proportional to 13,272,423.16, 18,306,165.27 and 10,009,375.42 is: 13,805,563.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272,423.16 : 18,306,165.27 = 10,009,375.42 : x
  2. Step 2: Convert to fraction form
    13,272,423.16/18,306,165.27 = 10,009,375.42/x
  3. Step 3: Cross multiply
    13,272,423.16x = 18,306,165.27 × 10,009,375.42
  4. Step 4: Simplify right side
    13,272,423.16x = 183,233,280,687,995.66
  5. Step 5: Solve for x
    x = 183,233,280,687,995.66/13,272,423.16
  6. Step 6: Final answer
    x = 13,805,563.50

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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.