Home / 18,683,820.18-28,003,310.10-9,581,232.30

Finding the Fourth Proportional to 18,683,820.18, 28,003,310.10 and 9,581,232.30

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Solution

The fourth proportional to 18,683,820.18, 28,003,310.10 and 9,581,232.30 is: 14,360,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,820.18 : 28,003,310.10 = 9,581,232.30 : x
  2. Step 2: Convert to fraction form
    18,683,820.18/28,003,310.10 = 9,581,232.30/x
  3. Step 3: Cross multiply
    18,683,820.18x = 28,003,310.10 × 9,581,232.30
  4. Step 4: Simplify right side
    18,683,820.18x = 268,306,219,237,036.25
  5. Step 5: Solve for x
    x = 268,306,219,237,036.25/18,683,820.18
  6. Step 6: Final answer
    x = 14,360,351.18

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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.