Home / 21,101,508.70-31,651,672.53-6,725,439.16

Finding the Fourth Proportional to 21,101,508.70, 31,651,672.53 and 6,725,439.16

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Solution

The fourth proportional to 21,101,508.70, 31,651,672.53 and 6,725,439.16 is: 10,087,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,508.70 : 31,651,672.53 = 6,725,439.16 : x
  2. Step 2: Convert to fraction form
    21,101,508.70/31,651,672.53 = 6,725,439.16/x
  3. Step 3: Cross multiply
    21,101,508.70x = 31,651,672.53 × 6,725,439.16
  4. Step 4: Simplify right side
    21,101,508.70x = 212,871,397,912,758.28
  5. Step 5: Solve for x
    x = 212,871,397,912,758.28/21,101,508.70
  6. Step 6: Final answer
    x = 10,087,970.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.