Home / 9,121,437.59-12,587,585.04-4,991,469.63

Finding the Fourth Proportional to 9,121,437.59, 12,587,585.04 and 4,991,469.63

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Solution

The fourth proportional to 9,121,437.59, 12,587,585.04 and 4,991,469.63 is: 6,888,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,437.59 : 12,587,585.04 = 4,991,469.63 : x
  2. Step 2: Convert to fraction form
    9,121,437.59/12,587,585.04 = 4,991,469.63/x
  3. Step 3: Cross multiply
    9,121,437.59x = 12,587,585.04 × 4,991,469.63
  4. Step 4: Simplify right side
    9,121,437.59x = 62,830,548,417,244.98
  5. Step 5: Solve for x
    x = 62,830,548,417,244.98/9,121,437.59
  6. Step 6: Final answer
    x = 6,888,228.72

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Double scale
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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.