Home / 10,871,965.44-15,003,321.90-5,977,270.80

Finding the Fourth Proportional to 10,871,965.44, 15,003,321.90 and 5,977,270.80

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Solution

The fourth proportional to 10,871,965.44, 15,003,321.90 and 5,977,270.80 is: 8,248,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,965.44 : 15,003,321.90 = 5,977,270.80 : x
  2. Step 2: Convert to fraction form
    10,871,965.44/15,003,321.90 = 5,977,270.80/x
  3. Step 3: Cross multiply
    10,871,965.44x = 15,003,321.90 × 5,977,270.80
  4. Step 4: Simplify right side
    10,871,965.44x = 89,678,917,895,870.52
  5. Step 5: Solve for x
    x = 89,678,917,895,870.52/10,871,965.44
  6. Step 6: Final answer
    x = 8,248,638.98

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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.