Home / 19,789,802.76-29,663,985.92-8,281,863.44

Finding the Fourth Proportional to 19,789,802.76, 29,663,985.92 and 8,281,863.44

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Solution

The fourth proportional to 19,789,802.76, 29,663,985.92 and 8,281,863.44 is: 12,414,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789,802.76 : 29,663,985.92 = 8,281,863.44 : x
  2. Step 2: Convert to fraction form
    19,789,802.76/29,663,985.92 = 8,281,863.44/x
  3. Step 3: Cross multiply
    19,789,802.76x = 29,663,985.92 × 8,281,863.44
  4. Step 4: Simplify right side
    19,789,802.76x = 245,673,080,475,522.78
  5. Step 5: Solve for x
    x = 245,673,080,475,522.78/19,789,802.76
  6. Step 6: Final answer
    x = 12,414,124.76

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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.