Home / 12,487,930.64-18,723,371.48-6,652,988.79

Finding the Fourth Proportional to 12,487,930.64, 18,723,371.48 and 6,652,988.79

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Solution

The fourth proportional to 12,487,930.64, 18,723,371.48 and 6,652,988.79 is: 9,974,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487,930.64 : 18,723,371.48 = 6,652,988.79 : x
  2. Step 2: Convert to fraction form
    12,487,930.64/18,723,371.48 = 6,652,988.79/x
  3. Step 3: Cross multiply
    12,487,930.64x = 18,723,371.48 × 6,652,988.79
  4. Step 4: Simplify right side
    12,487,930.64x = 124,566,380,567,445.72
  5. Step 5: Solve for x
    x = 124,566,380,567,445.72/12,487,930.64
  6. Step 6: Final answer
    x = 9,974,941.74

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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.