Home / 20,871,127.49-31,306,932.22-6,298,173.18

Finding the Fourth Proportional to 20,871,127.49, 31,306,932.22 and 6,298,173.18

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Solution

The fourth proportional to 20,871,127.49, 31,306,932.22 and 6,298,173.18 is: 9,447,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,871,127.49 : 31,306,932.22 = 6,298,173.18 : x
  2. Step 2: Convert to fraction form
    20,871,127.49/31,306,932.22 = 6,298,173.18/x
  3. Step 3: Cross multiply
    20,871,127.49x = 31,306,932.22 × 6,298,173.18
  4. Step 4: Simplify right side
    20,871,127.49x = 197,176,480,966,761.94
  5. Step 5: Solve for x
    x = 197,176,480,966,761.94/20,871,127.49
  6. Step 6: Final answer
    x = 9,447,332.50

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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.