Home / 20,753,123.06-31,148,575.02-11,045,885.72

Finding the Fourth Proportional to 20,753,123.06, 31,148,575.02 and 11,045,885.72

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Solution

The fourth proportional to 20,753,123.06, 31,148,575.02 and 11,045,885.72 is: 16,578,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753,123.06 : 31,148,575.02 = 11,045,885.72 : x
  2. Step 2: Convert to fraction form
    20,753,123.06/31,148,575.02 = 11,045,885.72/x
  3. Step 3: Cross multiply
    20,753,123.06x = 31,148,575.02 × 11,045,885.72
  4. Step 4: Simplify right side
    20,753,123.06x = 344,063,600,089,638.12
  5. Step 5: Solve for x
    x = 344,063,600,089,638.12/20,753,123.06
  6. Step 6: Final answer
    x = 16,578,883.05

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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.