Home / 10,871,680.21-15,001,699.67-6,520,943.41

Finding the Fourth Proportional to 10,871,680.21, 15,001,699.67 and 6,520,943.41

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Solution

The fourth proportional to 10,871,680.21, 15,001,699.67 and 6,520,943.41 is: 8,998,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,680.21 : 15,001,699.67 = 6,520,943.41 : x
  2. Step 2: Convert to fraction form
    10,871,680.21/15,001,699.67 = 6,520,943.41/x
  3. Step 3: Cross multiply
    10,871,680.21x = 15,001,699.67 × 6,520,943.41
  4. Step 4: Simplify right side
    10,871,680.21x = 97,825,234,556,230.23
  5. Step 5: Solve for x
    x = 97,825,234,556,230.23/10,871,680.21
  6. Step 6: Final answer
    x = 8,998,170.72

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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.