Home / 12,912,255.53-17,818,697.27-7,111,577.01

Finding the Fourth Proportional to 12,912,255.53, 17,818,697.27 and 7,111,577.01

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Solution

The fourth proportional to 12,912,255.53, 17,818,697.27 and 7,111,577.01 is: 9,813,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912,255.53 : 17,818,697.27 = 7,111,577.01 : x
  2. Step 2: Convert to fraction form
    12,912,255.53/17,818,697.27 = 7,111,577.01/x
  3. Step 3: Cross multiply
    12,912,255.53x = 17,818,697.27 × 7,111,577.01
  4. Step 4: Simplify right side
    12,912,255.53x = 126,719,037,817,923.88
  5. Step 5: Solve for x
    x = 126,719,037,817,923.88/12,912,255.53
  6. Step 6: Final answer
    x = 9,813,857.66

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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.