Home / 15,374,330.32-21,219,819.66-12,793,495.36

Finding the Fourth Proportional to 15,374,330.32, 21,219,819.66 and 12,793,495.36

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Solution

The fourth proportional to 15,374,330.32, 21,219,819.66 and 12,793,495.36 is: 17,657,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374,330.32 : 21,219,819.66 = 12,793,495.36 : x
  2. Step 2: Convert to fraction form
    15,374,330.32/21,219,819.66 = 12,793,495.36/x
  3. Step 3: Cross multiply
    15,374,330.32x = 21,219,819.66 × 12,793,495.36
  4. Step 4: Simplify right side
    15,374,330.32x = 271,475,664,360,246.78
  5. Step 5: Solve for x
    x = 271,475,664,360,246.78/15,374,330.32
  6. Step 6: Final answer
    x = 17,657,722.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.