Home / 15,557,801.28-21,469,203.08-8,588,329.20

Finding the Fourth Proportional to 15,557,801.28, 21,469,203.08 and 8,588,329.20

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Solution

The fourth proportional to 15,557,801.28, 21,469,203.08 and 8,588,329.20 is: 11,851,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557,801.28 : 21,469,203.08 = 8,588,329.20 : x
  2. Step 2: Convert to fraction form
    15,557,801.28/21,469,203.08 = 8,588,329.20/x
  3. Step 3: Cross multiply
    15,557,801.28x = 21,469,203.08 × 8,588,329.20
  4. Step 4: Simplify right side
    15,557,801.28x = 184,384,583,712,693.91
  5. Step 5: Solve for x
    x = 184,384,583,712,693.91/15,557,801.28
  6. Step 6: Final answer
    x = 11,851,583.68

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1.5x scale

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.