Home / 14,064,033.20-21,040,062.60-12,191,572.40

Finding the Fourth Proportional to 14,064,033.20, 21,040,062.60 and 12,191,572.40

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Solution

The fourth proportional to 14,064,033.20, 21,040,062.60 and 12,191,572.40 is: 18,238,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064,033.20 : 21,040,062.60 = 12,191,572.40 : x
  2. Step 2: Convert to fraction form
    14,064,033.20/21,040,062.60 = 12,191,572.40/x
  3. Step 3: Cross multiply
    14,064,033.20x = 21,040,062.60 × 12,191,572.40
  4. Step 4: Simplify right side
    14,064,033.20x = 256,511,446,488,432.28
  5. Step 5: Solve for x
    x = 256,511,446,488,432.28/14,064,033.20
  6. Step 6: Final answer
    x = 18,238,825.44

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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.