Home / 9,281,158.28-12,807,343.86-5,151,399.56

Finding the Fourth Proportional to 9,281,158.28, 12,807,343.86 and 5,151,399.56

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Solution

The fourth proportional to 9,281,158.28, 12,807,343.86 and 5,151,399.56 is: 7,108,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281,158.28 : 12,807,343.86 = 5,151,399.56 : x
  2. Step 2: Convert to fraction form
    9,281,158.28/12,807,343.86 = 5,151,399.56/x
  3. Step 3: Cross multiply
    9,281,158.28x = 12,807,343.86 × 5,151,399.56
  4. Step 4: Simplify right side
    9,281,158.28x = 65,975,745,525,172.70
  5. Step 5: Solve for x
    x = 65,975,745,525,172.70/9,281,158.28
  6. Step 6: Final answer
    x = 7,108,568.08

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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.