Home / 10,871,673.27-15,001,690.10-6,520,936.47

Finding the Fourth Proportional to 10,871,673.27, 15,001,690.10 and 6,520,936.47

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Solution

The fourth proportional to 10,871,673.27, 15,001,690.10 and 6,520,936.47 is: 8,998,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,673.27 : 15,001,690.10 = 6,520,936.47 : x
  2. Step 2: Convert to fraction form
    10,871,673.27/15,001,690.10 = 6,520,936.47/x
  3. Step 3: Cross multiply
    10,871,673.27x = 15,001,690.10 × 6,520,936.47
  4. Step 4: Simplify right side
    10,871,673.27x = 97,825,068,052,123.27
  5. Step 5: Solve for x
    x = 97,825,068,052,123.27/10,871,673.27
  6. Step 6: Final answer
    x = 8,998,161.15

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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.