Home / 8,390,629.80-12,585,944.70-7,044,312.60

Finding the Fourth Proportional to 8,390,629.80, 12,585,944.70 and 7,044,312.60

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Solution

The fourth proportional to 8,390,629.80, 12,585,944.70 and 7,044,312.60 is: 10,566,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390,629.80 : 12,585,944.70 = 7,044,312.60 : x
  2. Step 2: Convert to fraction form
    8,390,629.80/12,585,944.70 = 7,044,312.60/x
  3. Step 3: Cross multiply
    8,390,629.80x = 12,585,944.70 × 7,044,312.60
  4. Step 4: Simplify right side
    8,390,629.80x = 88,659,328,833,113.20
  5. Step 5: Solve for x
    x = 88,659,328,833,113.20/8,390,629.80
  6. Step 6: Final answer
    x = 10,566,468.90

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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.