Home / 26,795,567.20-36,986,208.78-21,298,695.80

Finding the Fourth Proportional to 26,795,567.20, 36,986,208.78 and 21,298,695.80

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Solution

The fourth proportional to 26,795,567.20, 36,986,208.78 and 21,298,695.80 is: 29,398,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,795,567.20 : 36,986,208.78 = 21,298,695.80 : x
  2. Step 2: Convert to fraction form
    26,795,567.20/36,986,208.78 = 21,298,695.80/x
  3. Step 3: Cross multiply
    26,795,567.20x = 36,986,208.78 × 21,298,695.80
  4. Step 4: Simplify right side
    26,795,567.20x = 787,758,009,600,509.12
  5. Step 5: Solve for x
    x = 787,758,009,600,509.12/26,795,567.20
  6. Step 6: Final answer
    x = 29,398,818.23

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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.