Home / 8,340,729.80-12,537,821.10-7,749,062.60

Finding the Fourth Proportional to 8,340,729.80, 12,537,821.10 and 7,749,062.60

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Solution

The fourth proportional to 8,340,729.80, 12,537,821.10 and 7,749,062.60 is: 11,648,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340,729.80 : 12,537,821.10 = 7,749,062.60 : x
  2. Step 2: Convert to fraction form
    8,340,729.80/12,537,821.10 = 7,749,062.60/x
  3. Step 3: Cross multiply
    8,340,729.80x = 12,537,821.10 × 7,749,062.60
  4. Step 4: Simplify right side
    8,340,729.80x = 97,156,360,571,500.86
  5. Step 5: Solve for x
    x = 97,156,360,571,500.86/8,340,729.80
  6. Step 6: Final answer
    x = 11,648,424.41

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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.