Home / 15,813,719.40-23,720,579.10-9,431,178.60

Finding the Fourth Proportional to 15,813,719.40, 23,720,579.10 and 9,431,178.60

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Solution

The fourth proportional to 15,813,719.40, 23,720,579.10 and 9,431,178.60 is: 14,146,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813,719.40 : 23,720,579.10 = 9,431,178.60 : x
  2. Step 2: Convert to fraction form
    15,813,719.40/23,720,579.10 = 9,431,178.60/x
  3. Step 3: Cross multiply
    15,813,719.40x = 23,720,579.10 × 9,431,178.60
  4. Step 4: Simplify right side
    15,813,719.40x = 223,713,017,987,527.25
  5. Step 5: Solve for x
    x = 223,713,017,987,527.25/15,813,719.40
  6. Step 6: Final answer
    x = 14,146,767.90

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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.