Home / 21,557,098.80-32,335,648.20-21,273,663.60

Finding the Fourth Proportional to 21,557,098.80, 32,335,648.20 and 21,273,663.60

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Solution

The fourth proportional to 21,557,098.80, 32,335,648.20 and 21,273,663.60 is: 31,910,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,098.80 : 32,335,648.20 = 21,273,663.60 : x
  2. Step 2: Convert to fraction form
    21,557,098.80/32,335,648.20 = 21,273,663.60/x
  3. Step 3: Cross multiply
    21,557,098.80x = 32,335,648.20 × 21,273,663.60
  4. Step 4: Simplify right side
    21,557,098.80x = 687,897,702,094,745.50
  5. Step 5: Solve for x
    x = 687,897,702,094,745.50/21,557,098.80
  6. Step 6: Final answer
    x = 31,910,495.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.