Home / 15,229,725.04-21,005,141.16-9,431,725.60

Finding the Fourth Proportional to 15,229,725.04, 21,005,141.16 and 9,431,725.60

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Solution

The fourth proportional to 15,229,725.04, 21,005,141.16 and 9,431,725.60 is: 13,008,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229,725.04 : 21,005,141.16 = 9,431,725.60 : x
  2. Step 2: Convert to fraction form
    15,229,725.04/21,005,141.16 = 9,431,725.60/x
  3. Step 3: Cross multiply
    15,229,725.04x = 21,005,141.16 × 9,431,725.60
  4. Step 4: Simplify right side
    15,229,725.04x = 198,114,727,610,385.69
  5. Step 5: Solve for x
    x = 198,114,727,610,385.69/15,229,725.04
  6. Step 6: Final answer
    x = 13,008,424.45

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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.