Home / 8,239,508.60-12,343,321.02-4,634,321.72

Finding the Fourth Proportional to 8,239,508.60, 12,343,321.02 and 4,634,321.72

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Solution

The fourth proportional to 8,239,508.60, 12,343,321.02 and 4,634,321.72 is: 6,942,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,508.60 : 12,343,321.02 = 4,634,321.72 : x
  2. Step 2: Convert to fraction form
    8,239,508.60/12,343,321.02 = 4,634,321.72/x
  3. Step 3: Cross multiply
    8,239,508.60x = 12,343,321.02 × 4,634,321.72
  4. Step 4: Simplify right side
    8,239,508.60x = 57,202,920,699,918.55
  5. Step 5: Solve for x
    x = 57,202,920,699,918.55/8,239,508.60
  6. Step 6: Final answer
    x = 6,942,516.05

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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.