Home / 7,171,407.91-9,896,254.19-3,908,152.58

Finding the Fourth Proportional to 7,171,407.91, 9,896,254.19 and 3,908,152.58

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Solution

The fourth proportional to 7,171,407.91, 9,896,254.19 and 3,908,152.58 is: 5,393,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,407.91 : 9,896,254.19 = 3,908,152.58 : x
  2. Step 2: Convert to fraction form
    7,171,407.91/9,896,254.19 = 3,908,152.58/x
  3. Step 3: Cross multiply
    7,171,407.91x = 9,896,254.19 × 3,908,152.58
  4. Step 4: Simplify right side
    7,171,407.91x = 38,676,071,344,984.31
  5. Step 5: Solve for x
    x = 38,676,071,344,984.31/7,171,407.91
  6. Step 6: Final answer
    x = 5,393,093.22

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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.