Home / 18,318,432.76-27,480,817.80-6,187,984.54

Finding the Fourth Proportional to 18,318,432.76, 27,480,817.80 and 6,187,984.54

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Solution

The fourth proportional to 18,318,432.76, 27,480,817.80 and 6,187,984.54 is: 9,283,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318,432.76 : 27,480,817.80 = 6,187,984.54 : x
  2. Step 2: Convert to fraction form
    18,318,432.76/27,480,817.80 = 6,187,984.54/x
  3. Step 3: Cross multiply
    18,318,432.76x = 27,480,817.80 × 6,187,984.54
  4. Step 4: Simplify right side
    18,318,432.76x = 170,050,875,692,956.81
  5. Step 5: Solve for x
    x = 170,050,875,692,956.81/18,318,432.76
  6. Step 6: Final answer
    x = 9,283,047.19

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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.