Home / 9,012,749.24-12,438,752.46-5,144,385.08

Finding the Fourth Proportional to 9,012,749.24, 12,438,752.46 and 5,144,385.08

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Solution

The fourth proportional to 9,012,749.24, 12,438,752.46 and 5,144,385.08 is: 7,099,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012,749.24 : 12,438,752.46 = 5,144,385.08 : x
  2. Step 2: Convert to fraction form
    9,012,749.24/12,438,752.46 = 5,144,385.08/x
  3. Step 3: Cross multiply
    9,012,749.24x = 12,438,752.46 × 5,144,385.08
  4. Step 4: Simplify right side
    9,012,749.24x = 63,989,732,569,037.30
  5. Step 5: Solve for x
    x = 63,989,732,569,037.30/9,012,749.24
  6. Step 6: Final answer
    x = 7,099,912.68

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1.5x scale

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.