Home / 20,871,112.47-31,306,909.74-6,298,158.23

Finding the Fourth Proportional to 20,871,112.47, 31,306,909.74 and 6,298,158.23

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Solution

The fourth proportional to 20,871,112.47, 31,306,909.74 and 6,298,158.23 is: 9,447,310.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,871,112.47 : 31,306,909.74 = 6,298,158.23 : x
  2. Step 2: Convert to fraction form
    20,871,112.47/31,306,909.74 = 6,298,158.23/x
  3. Step 3: Cross multiply
    20,871,112.47x = 31,306,909.74 × 6,298,158.23
  4. Step 4: Simplify right side
    20,871,112.47x = 197,175,871,348,333.38
  5. Step 5: Solve for x
    x = 197,175,871,348,333.38/20,871,112.47
  6. Step 6: Final answer
    x = 9,447,310.08

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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.