Home / 21,540,467.60-32,271,379.80-13,125,645.20

Finding the Fourth Proportional to 21,540,467.60, 32,271,379.80 and 13,125,645.20

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Solution

The fourth proportional to 21,540,467.60, 32,271,379.80 and 13,125,645.20 is: 19,664,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,540,467.60 : 32,271,379.80 = 13,125,645.20 : x
  2. Step 2: Convert to fraction form
    21,540,467.60/32,271,379.80 = 13,125,645.20/x
  3. Step 3: Cross multiply
    21,540,467.60x = 32,271,379.80 × 13,125,645.20
  4. Step 4: Simplify right side
    21,540,467.60x = 423,582,681,369,246.94
  5. Step 5: Solve for x
    x = 423,582,681,369,246.94/21,540,467.60
  6. Step 6: Final answer
    x = 19,664,507.25

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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.