Home / 9,121,490.83-12,587,658.66-4,991,522.94

Finding the Fourth Proportional to 9,121,490.83, 12,587,658.66 and 4,991,522.94

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Solution

The fourth proportional to 9,121,490.83, 12,587,658.66 and 4,991,522.94 is: 6,888,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,490.83 : 12,587,658.66 = 4,991,522.94 : x
  2. Step 2: Convert to fraction form
    9,121,490.83/12,587,658.66 = 4,991,522.94/x
  3. Step 3: Cross multiply
    9,121,490.83x = 12,587,658.66 × 4,991,522.94
  4. Step 4: Simplify right side
    9,121,490.83x = 62,831,586,962,279.66
  5. Step 5: Solve for x
    x = 62,831,586,962,279.66/9,121,490.83
  6. Step 6: Final answer
    x = 6,888,302.38

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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.