Home / 7,171,697.17-9,896,653.39-3,908,441.66

Finding the Fourth Proportional to 7,171,697.17, 9,896,653.39 and 3,908,441.66

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Solution

The fourth proportional to 7,171,697.17, 9,896,653.39 and 3,908,441.66 is: 5,393,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,697.17 : 9,896,653.39 = 3,908,441.66 : x
  2. Step 2: Convert to fraction form
    7,171,697.17/9,896,653.39 = 3,908,441.66/x
  3. Step 3: Cross multiply
    7,171,697.17x = 9,896,653.39 × 3,908,441.66
  4. Step 4: Simplify right side
    7,171,697.17x = 38,680,492,384,514.02
  5. Step 5: Solve for x
    x = 38,680,492,384,514.02/7,171,697.17
  6. Step 6: Final answer
    x = 5,393,492.15

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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.