Home / 14,255,819.70-21,336,490.35-13,122,078.90

Finding the Fourth Proportional to 14,255,819.70, 21,336,490.35 and 13,122,078.90

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Solution

The fourth proportional to 14,255,819.70, 21,336,490.35 and 13,122,078.90 is: 19,639,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255,819.70 : 21,336,490.35 = 13,122,078.90 : x
  2. Step 2: Convert to fraction form
    14,255,819.70/21,336,490.35 = 13,122,078.90/x
  3. Step 3: Cross multiply
    14,255,819.70x = 21,336,490.35 × 13,122,078.90
  4. Step 4: Simplify right side
    14,255,819.70x = 279,979,109,821,788.66
  5. Step 5: Solve for x
    x = 279,979,109,821,788.66/14,255,819.70
  6. Step 6: Final answer
    x = 19,639,636.00

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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.