Home / 9,281,749.28-12,808,620.90-5,151,538.04

Finding the Fourth Proportional to 9,281,749.28, 12,808,620.90 and 5,151,538.04

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Solution

The fourth proportional to 9,281,749.28, 12,808,620.90 and 5,151,538.04 is: 7,109,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281,749.28 : 12,808,620.90 = 5,151,538.04 : x
  2. Step 2: Convert to fraction form
    9,281,749.28/12,808,620.90 = 5,151,538.04/x
  3. Step 3: Cross multiply
    9,281,749.28x = 12,808,620.90 × 5,151,538.04
  4. Step 4: Simplify right side
    9,281,749.28x = 65,984,097,806,289.04
  5. Step 5: Solve for x
    x = 65,984,097,806,289.04/9,281,749.28
  6. Step 6: Final answer
    x = 7,109,015.32

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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.