Home / 8,120,068.79-11,205,266.54-4,635,269.10

Finding the Fourth Proportional to 8,120,068.79, 11,205,266.54 and 4,635,269.10

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Solution

The fourth proportional to 8,120,068.79, 11,205,266.54 and 4,635,269.10 is: 6,396,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120,068.79 : 11,205,266.54 = 4,635,269.10 : x
  2. Step 2: Convert to fraction form
    8,120,068.79/11,205,266.54 = 4,635,269.10/x
  3. Step 3: Cross multiply
    8,120,068.79x = 11,205,266.54 × 4,635,269.10
  4. Step 4: Simplify right side
    8,120,068.79x = 51,939,425,726,949.56
  5. Step 5: Solve for x
    x = 51,939,425,726,949.56/8,120,068.79
  6. Step 6: Final answer
    x = 6,396,426.82

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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.