Home / 9,117,555.41-12,582,537.27-5,197,891.15

Finding the Fourth Proportional to 9,117,555.41, 12,582,537.27 and 5,197,891.15

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Solution

The fourth proportional to 9,117,555.41, 12,582,537.27 and 5,197,891.15 is: 7,173,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117,555.41 : 12,582,537.27 = 5,197,891.15 : x
  2. Step 2: Convert to fraction form
    9,117,555.41/12,582,537.27 = 5,197,891.15/x
  3. Step 3: Cross multiply
    9,117,555.41x = 12,582,537.27 × 5,197,891.15
  4. Step 4: Simplify right side
    9,117,555.41x = 65,402,659,045,737.46
  5. Step 5: Solve for x
    x = 65,402,659,045,737.46/9,117,555.41
  6. Step 6: Final answer
    x = 7,173,266.97

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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.