Home / 12,641,408.16-17,445,012.40-6,840,061.92

Finding the Fourth Proportional to 12,641,408.16, 17,445,012.40 and 6,840,061.92

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Solution

The fourth proportional to 12,641,408.16, 17,445,012.40 and 6,840,061.92 is: 9,439,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641,408.16 : 17,445,012.40 = 6,840,061.92 : x
  2. Step 2: Convert to fraction form
    12,641,408.16/17,445,012.40 = 6,840,061.92/x
  3. Step 3: Cross multiply
    12,641,408.16x = 17,445,012.40 × 6,840,061.92
  4. Step 4: Simplify right side
    12,641,408.16x = 119,324,965,011,167.80
  5. Step 5: Solve for x
    x = 119,324,965,011,167.80/12,641,408.16
  6. Step 6: Final answer
    x = 9,439,214.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.