Home / 12,977,274.60-19,444,916.70-8,176,372.20

Finding the Fourth Proportional to 12,977,274.60, 19,444,916.70 and 8,176,372.20

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Solution

The fourth proportional to 12,977,274.60, 19,444,916.70 and 8,176,372.20 is: 12,251,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977,274.60 : 19,444,916.70 = 8,176,372.20 : x
  2. Step 2: Convert to fraction form
    12,977,274.60/19,444,916.70 = 8,176,372.20/x
  3. Step 3: Cross multiply
    12,977,274.60x = 19,444,916.70 × 8,176,372.20
  4. Step 4: Simplify right side
    12,977,274.60x = 158,988,876,337,195.75
  5. Step 5: Solve for x
    x = 158,988,876,337,195.75/12,977,274.60
  6. Step 6: Final answer
    x = 12,251,330.21

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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.