Home / 21,101,503.72-31,651,665.08-6,725,434.18

Finding the Fourth Proportional to 21,101,503.72, 31,651,665.08 and 6,725,434.18

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Solution

The fourth proportional to 21,101,503.72, 31,651,665.08 and 6,725,434.18 is: 10,087,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,503.72 : 31,651,665.08 = 6,725,434.18 : x
  2. Step 2: Convert to fraction form
    21,101,503.72/31,651,665.08 = 6,725,434.18/x
  3. Step 3: Cross multiply
    21,101,503.72x = 31,651,665.08 × 6,725,434.18
  4. Step 4: Simplify right side
    21,101,503.72x = 212,871,190,041,499.69
  5. Step 5: Solve for x
    x = 212,871,190,041,499.69/21,101,503.72
  6. Step 6: Final answer
    x = 10,087,963.06

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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.