Home / 21,351,537.60-32,027,306.40-7,885,579.20

Finding the Fourth Proportional to 21,351,537.60, 32,027,306.40 and 7,885,579.20

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Solution

The fourth proportional to 21,351,537.60, 32,027,306.40 and 7,885,579.20 is: 11,828,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351,537.60 : 32,027,306.40 = 7,885,579.20 : x
  2. Step 2: Convert to fraction form
    21,351,537.60/32,027,306.40 = 7,885,579.20/x
  3. Step 3: Cross multiply
    21,351,537.60x = 32,027,306.40 × 7,885,579.20
  4. Step 4: Simplify right side
    21,351,537.60x = 252,553,861,179,866.88
  5. Step 5: Solve for x
    x = 252,553,861,179,866.88/21,351,537.60
  6. Step 6: Final answer
    x = 11,828,368.80

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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.