Home / 21,696,921.60-32,553,676.80-21,356,851.20

Finding the Fourth Proportional to 21,696,921.60, 32,553,676.80 and 21,356,851.20

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Solution

The fourth proportional to 21,696,921.60, 32,553,676.80 and 21,356,851.20 is: 32,043,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,696,921.60 : 32,553,676.80 = 21,356,851.20 : x
  2. Step 2: Convert to fraction form
    21,696,921.60/32,553,676.80 = 21,356,851.20/x
  3. Step 3: Cross multiply
    21,696,921.60x = 32,553,676.80 × 21,356,851.20
  4. Step 4: Simplify right side
    21,696,921.60x = 695,244,031,430,492.12
  5. Step 5: Solve for x
    x = 695,244,031,430,492.12/21,696,921.60
  6. Step 6: Final answer
    x = 32,043,441.20

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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.