Home / 26,795,565.12-36,986,205.84-21,298,693.68

Finding the Fourth Proportional to 26,795,565.12, 36,986,205.84 and 21,298,693.68

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Solution

The fourth proportional to 26,795,565.12, 36,986,205.84 and 21,298,693.68 is: 29,398,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,795,565.12 : 36,986,205.84 = 21,298,693.68 : x
  2. Step 2: Convert to fraction form
    26,795,565.12/36,986,205.84 = 21,298,693.68/x
  3. Step 3: Cross multiply
    26,795,565.12x = 36,986,205.84 × 21,298,693.68
  4. Step 4: Simplify right side
    26,795,565.12x = 787,757,868,571,587.12
  5. Step 5: Solve for x
    x = 787,757,868,571,587.12/26,795,565.12
  6. Step 6: Final answer
    x = 29,398,815.25

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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.