Home / 8,314,931.20-12,463,065.60-4,722,419.20

Finding the Fourth Proportional to 8,314,931.20, 12,463,065.60 and 4,722,419.20

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Solution

The fourth proportional to 8,314,931.20, 12,463,065.60 and 4,722,419.20 is: 7,078,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314,931.20 : 12,463,065.60 = 4,722,419.20 : x
  2. Step 2: Convert to fraction form
    8,314,931.20/12,463,065.60 = 4,722,419.20/x
  3. Step 3: Cross multiply
    8,314,931.20x = 12,463,065.60 × 4,722,419.20
  4. Step 4: Simplify right side
    8,314,931.20x = 58,855,820,280,299.52
  5. Step 5: Solve for x
    x = 58,855,820,280,299.52/8,314,931.20
  6. Step 6: Final answer
    x = 7,078,329.20

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1.5x scale

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.