Home / 8,307,542.18-12,461,213-2,158,979.20

Finding the Fourth Proportional to 8,307,542.18, 12,461,213 and 2,158,979.20

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Solution

The fourth proportional to 8,307,542.18, 12,461,213 and 2,158,979.20 is: 3,238,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307,542.18 : 12,461,213 = 2,158,979.20 : x
  2. Step 2: Convert to fraction form
    8,307,542.18/12,461,213 = 2,158,979.20/x
  3. Step 3: Cross multiply
    8,307,542.18x = 12,461,213 × 2,158,979.20
  4. Step 4: Simplify right side
    8,307,542.18x = 26,903,499,673,769.60
  5. Step 5: Solve for x
    x = 26,903,499,673,769.60/8,307,542.18
  6. Step 6: Final answer
    x = 3,238,442.74

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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.