Home / 17,997,878.28-27,000,783.18-5,218,916.52

Finding the Fourth Proportional to 17,997,878.28, 27,000,783.18 and 5,218,916.52

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Solution

The fourth proportional to 17,997,878.28, 27,000,783.18 and 5,218,916.52 is: 7,829,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997,878.28 : 27,000,783.18 = 5,218,916.52 : x
  2. Step 2: Convert to fraction form
    17,997,878.28/27,000,783.18 = 5,218,916.52/x
  3. Step 3: Cross multiply
    17,997,878.28x = 27,000,783.18 × 5,218,916.52
  4. Step 4: Simplify right side
    17,997,878.28x = 140,914,833,391,040.12
  5. Step 5: Solve for x
    x = 140,914,833,391,040.12/17,997,878.28
  6. Step 6: Final answer
    x = 7,829,524.75

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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.