Home / 8,142,405.10-12,213,607.65-4,948,510.30

Finding the Fourth Proportional to 8,142,405.10, 12,213,607.65 and 4,948,510.30

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Solution

The fourth proportional to 8,142,405.10, 12,213,607.65 and 4,948,510.30 is: 7,422,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,405.10 : 12,213,607.65 = 4,948,510.30 : x
  2. Step 2: Convert to fraction form
    8,142,405.10/12,213,607.65 = 4,948,510.30/x
  3. Step 3: Cross multiply
    8,142,405.10x = 12,213,607.65 × 4,948,510.30
  4. Step 4: Simplify right side
    8,142,405.10x = 60,439,163,256,183.80
  5. Step 5: Solve for x
    x = 60,439,163,256,183.80/8,142,405.10
  6. Step 6: Final answer
    x = 7,422,765.45

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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.