Home / 10,871,987.77-15,003,352.74-5,977,293.13

Finding the Fourth Proportional to 10,871,987.77, 15,003,352.74 and 5,977,293.13

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Solution

The fourth proportional to 10,871,987.77, 15,003,352.74 and 5,977,293.13 is: 8,248,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,987.77 : 15,003,352.74 = 5,977,293.13 : x
  2. Step 2: Convert to fraction form
    10,871,987.77/15,003,352.74 = 5,977,293.13/x
  3. Step 3: Cross multiply
    10,871,987.77x = 15,003,352.74 × 5,977,293.13
  4. Step 4: Simplify right side
    10,871,987.77x = 89,679,437,259,768.67
  5. Step 5: Solve for x
    x = 89,679,437,259,768.67/10,871,987.77
  6. Step 6: Final answer
    x = 8,248,669.81

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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.