Home / 18,580,087.60-27,870,131.40-12,123,079.45

Finding the Fourth Proportional to 18,580,087.60, 27,870,131.40 and 12,123,079.45

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Solution

The fourth proportional to 18,580,087.60, 27,870,131.40 and 12,123,079.45 is: 18,184,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580,087.60 : 27,870,131.40 = 12,123,079.45 : x
  2. Step 2: Convert to fraction form
    18,580,087.60/27,870,131.40 = 12,123,079.45/x
  3. Step 3: Cross multiply
    18,580,087.60x = 27,870,131.40 × 12,123,079.45
  4. Step 4: Simplify right side
    18,580,087.60x = 337,871,817,244,139.69
  5. Step 5: Solve for x
    x = 337,871,817,244,139.69/18,580,087.60
  6. Step 6: Final answer
    x = 18,184,619.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.