Home / 12,641,408.16-17,445,012.12-6,840,061.80

Finding the Fourth Proportional to 12,641,408.16, 17,445,012.12 and 6,840,061.80

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Solution

The fourth proportional to 12,641,408.16, 17,445,012.12 and 6,840,061.80 is: 9,439,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641,408.16 : 17,445,012.12 = 6,840,061.80 : x
  2. Step 2: Convert to fraction form
    12,641,408.16/17,445,012.12 = 6,840,061.80/x
  3. Step 3: Cross multiply
    12,641,408.16x = 17,445,012.12 × 6,840,061.80
  4. Step 4: Simplify right side
    12,641,408.16x = 119,324,961,002,549.02
  5. Step 5: Solve for x
    x = 119,324,961,002,549.02/12,641,408.16
  6. Step 6: Final answer
    x = 9,439,214.33

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1.5x scale

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.