Home / 15,229,724.04-21,005,139.78-9,431,724.60

Finding the Fourth Proportional to 15,229,724.04, 21,005,139.78 and 9,431,724.60

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Solution

The fourth proportional to 15,229,724.04, 21,005,139.78 and 9,431,724.60 is: 13,008,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229,724.04 : 21,005,139.78 = 9,431,724.60 : x
  2. Step 2: Convert to fraction form
    15,229,724.04/21,005,139.78 = 9,431,724.60/x
  3. Step 3: Cross multiply
    15,229,724.04x = 21,005,139.78 × 9,431,724.60
  4. Step 4: Simplify right side
    15,229,724.04x = 198,114,693,589,464.59
  5. Step 5: Solve for x
    x = 198,114,693,589,464.59/15,229,724.04
  6. Step 6: Final answer
    x = 13,008,423.07

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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.