Home / 13,471,181.48-20,219,547.22-8,338,084.20

Finding the Fourth Proportional to 13,471,181.48, 20,219,547.22 and 8,338,084.20

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Solution

The fourth proportional to 13,471,181.48, 20,219,547.22 and 8,338,084.20 is: 12,515,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,181.48 : 20,219,547.22 = 8,338,084.20 : x
  2. Step 2: Convert to fraction form
    13,471,181.48/20,219,547.22 = 8,338,084.20/x
  3. Step 3: Cross multiply
    13,471,181.48x = 20,219,547.22 × 8,338,084.20
  4. Step 4: Simplify right side
    13,471,181.48x = 168,592,287,185,390.72
  5. Step 5: Solve for x
    x = 168,592,287,185,390.72/13,471,181.48
  6. Step 6: Final answer
    x = 12,515,033.47

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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.