Home / 10,871,995.78-15,003,363.78-5,977,301.14

Finding the Fourth Proportional to 10,871,995.78, 15,003,363.78 and 5,977,301.14

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Solution

The fourth proportional to 10,871,995.78, 15,003,363.78 and 5,977,301.14 is: 8,248,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,995.78 : 15,003,363.78 = 5,977,301.14 : x
  2. Step 2: Convert to fraction form
    10,871,995.78/15,003,363.78 = 5,977,301.14/x
  3. Step 3: Cross multiply
    10,871,995.78x = 15,003,363.78 × 5,977,301.14
  4. Step 4: Simplify right side
    10,871,995.78x = 89,679,623,426,028.70
  5. Step 5: Solve for x
    x = 89,679,623,426,028.70/10,871,995.78
  6. Step 6: Final answer
    x = 8,248,680.85

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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.