Home / 8,319,140.40-12,457,715.40-5,463,793.20

Finding the Fourth Proportional to 8,319,140.40, 12,457,715.40 and 5,463,793.20

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Solution

The fourth proportional to 8,319,140.40, 12,457,715.40 and 5,463,793.20 is: 8,181,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,140.40 : 12,457,715.40 = 5,463,793.20 : x
  2. Step 2: Convert to fraction form
    8,319,140.40/12,457,715.40 = 5,463,793.20/x
  3. Step 3: Cross multiply
    8,319,140.40x = 12,457,715.40 × 5,463,793.20
  4. Step 4: Simplify right side
    8,319,140.40x = 68,066,380,690,055.28
  5. Step 5: Solve for x
    x = 68,066,380,690,055.28/8,319,140.40
  6. Step 6: Final answer
    x = 8,181,900.70

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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.