Home / 20,238,753-30,357,861.53-4,885,959.95

Finding the Fourth Proportional to 20,238,753, 30,357,861.53 and 4,885,959.95

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Solution

The fourth proportional to 20,238,753, 30,357,861.53 and 4,885,959.95 is: 7,328,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,753 : 30,357,861.53 = 4,885,959.95 : x
  2. Step 2: Convert to fraction form
    20,238,753/30,357,861.53 = 4,885,959.95/x
  3. Step 3: Cross multiply
    20,238,753x = 30,357,861.53 × 4,885,959.95
  4. Step 4: Simplify right side
    20,238,753x = 148,327,295,427,006.62
  5. Step 5: Solve for x
    x = 148,327,295,427,006.62/20,238,753
  6. Step 6: Final answer
    x = 7,328,875.22

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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.