Home / 8,493,280.40-12,739,920.60-2,428,000.40

Finding the Fourth Proportional to 8,493,280.40, 12,739,920.60 and 2,428,000.40

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Solution

The fourth proportional to 8,493,280.40, 12,739,920.60 and 2,428,000.40 is: 3,642,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493,280.40 : 12,739,920.60 = 2,428,000.40 : x
  2. Step 2: Convert to fraction form
    8,493,280.40/12,739,920.60 = 2,428,000.40/x
  3. Step 3: Cross multiply
    8,493,280.40x = 12,739,920.60 × 2,428,000.40
  4. Step 4: Simplify right side
    8,493,280.40x = 30,932,532,312,768.24
  5. Step 5: Solve for x
    x = 30,932,532,312,768.24/8,493,280.40
  6. Step 6: Final answer
    x = 3,642,000.60

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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.