Home / 14,257,929.30-21,371,147.55-7,872,764.10

Finding the Fourth Proportional to 14,257,929.30, 21,371,147.55 and 7,872,764.10

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Solution

The fourth proportional to 14,257,929.30, 21,371,147.55 and 7,872,764.10 is: 11,800,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257,929.30 : 21,371,147.55 = 7,872,764.10 : x
  2. Step 2: Convert to fraction form
    14,257,929.30/21,371,147.55 = 7,872,764.10/x
  3. Step 3: Cross multiply
    14,257,929.30x = 21,371,147.55 × 7,872,764.10
  4. Step 4: Simplify right side
    14,257,929.30x = 168,250,003,207,442.94
  5. Step 5: Solve for x
    x = 168,250,003,207,442.94/14,257,929.30
  6. Step 6: Final answer
    x = 11,800,451.50

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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.