Home / 21,361,618.60-32,042,427.90-15,650,924.20

Finding the Fourth Proportional to 21,361,618.60, 32,042,427.90 and 15,650,924.20

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Solution

The fourth proportional to 21,361,618.60, 32,042,427.90 and 15,650,924.20 is: 23,476,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361,618.60 : 32,042,427.90 = 15,650,924.20 : x
  2. Step 2: Convert to fraction form
    21,361,618.60/32,042,427.90 = 15,650,924.20/x
  3. Step 3: Cross multiply
    21,361,618.60x = 32,042,427.90 × 15,650,924.20
  4. Step 4: Simplify right side
    21,361,618.60x = 501,493,610,246,865.12
  5. Step 5: Solve for x
    x = 501,493,610,246,865.12/21,361,618.60
  6. Step 6: Final answer
    x = 23,476,386.30

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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.