Home / 14,129,627.90-21,152,451.45-8,446,927.10

Finding the Fourth Proportional to 14,129,627.90, 21,152,451.45 and 8,446,927.10

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Solution

The fourth proportional to 14,129,627.90, 21,152,451.45 and 8,446,927.10 is: 12,645,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129,627.90 : 21,152,451.45 = 8,446,927.10 : x
  2. Step 2: Convert to fraction form
    14,129,627.90/21,152,451.45 = 8,446,927.10/x
  3. Step 3: Cross multiply
    14,129,627.90x = 21,152,451.45 × 8,446,927.10
  4. Step 4: Simplify right side
    14,129,627.90x = 178,673,215,384,439.28
  5. Step 5: Solve for x
    x = 178,673,215,384,439.28/14,129,627.90
  6. Step 6: Final answer
    x = 12,645,288.09

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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.