Home / 25,685,344.96-38,530,114.08-12,899,273.92

Finding the Fourth Proportional to 25,685,344.96, 38,530,114.08 and 12,899,273.92

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Solution

The fourth proportional to 25,685,344.96, 38,530,114.08 and 12,899,273.92 is: 19,349,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685,344.96 : 38,530,114.08 = 12,899,273.92 : x
  2. Step 2: Convert to fraction form
    25,685,344.96/38,530,114.08 = 12,899,273.92/x
  3. Step 3: Cross multiply
    25,685,344.96x = 38,530,114.08 × 12,899,273.92
  4. Step 4: Simplify right side
    25,685,344.96x = 497,010,495,686,768.75
  5. Step 5: Solve for x
    x = 497,010,495,686,768.75/25,685,344.96
  6. Step 6: Final answer
    x = 19,349,963.82

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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.