Home / 18,674,333.11-28,024,088.28-6,543,905.55

Finding the Fourth Proportional to 18,674,333.11, 28,024,088.28 and 6,543,905.55

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Solution

The fourth proportional to 18,674,333.11, 28,024,088.28 and 6,543,905.55 is: 9,820,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674,333.11 : 28,024,088.28 = 6,543,905.55 : x
  2. Step 2: Convert to fraction form
    18,674,333.11/28,024,088.28 = 6,543,905.55/x
  3. Step 3: Cross multiply
    18,674,333.11x = 28,024,088.28 × 6,543,905.55
  4. Step 4: Simplify right side
    18,674,333.11x = 183,386,986,829,181.97
  5. Step 5: Solve for x
    x = 183,386,986,829,181.97/18,674,333.11
  6. Step 6: Final answer
    x = 9,820,269.66

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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.