Home / 26,418,285.42-39,639,951.54-12,763,778.46

Finding the Fourth Proportional to 26,418,285.42, 39,639,951.54 and 12,763,778.46

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Solution

The fourth proportional to 26,418,285.42, 39,639,951.54 and 12,763,778.46 is: 19,151,718.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,418,285.42 : 39,639,951.54 = 12,763,778.46 : x
  2. Step 2: Convert to fraction form
    26,418,285.42/39,639,951.54 = 12,763,778.46/x
  3. Step 3: Cross multiply
    26,418,285.42x = 39,639,951.54 × 12,763,778.46
  4. Step 4: Simplify right side
    26,418,285.42x = 505,955,559,621,695.88
  5. Step 5: Solve for x
    x = 505,955,559,621,695.88/26,418,285.42
  6. Step 6: Final answer
    x = 19,151,718.27

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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.