Home / 8,425,916.64-11,629,155.84-5,164,545.60

Finding the Fourth Proportional to 8,425,916.64, 11,629,155.84 and 5,164,545.60

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Solution

The fourth proportional to 8,425,916.64, 11,629,155.84 and 5,164,545.60 is: 7,127,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425,916.64 : 11,629,155.84 = 5,164,545.60 : x
  2. Step 2: Convert to fraction form
    8,425,916.64/11,629,155.84 = 5,164,545.60/x
  3. Step 3: Cross multiply
    8,425,916.64x = 11,629,155.84 × 5,164,545.60
  4. Step 4: Simplify right side
    8,425,916.64x = 60,059,305,625,186.30
  5. Step 5: Solve for x
    x = 60,059,305,625,186.30/8,425,916.64
  6. Step 6: Final answer
    x = 7,127,925.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.