Home / 21,666,540.80-32,501,955.20-8,023,326.72

Finding the Fourth Proportional to 21,666,540.80, 32,501,955.20 and 8,023,326.72

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Solution

The fourth proportional to 21,666,540.80, 32,501,955.20 and 8,023,326.72 is: 12,035,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666,540.80 : 32,501,955.20 = 8,023,326.72 : x
  2. Step 2: Convert to fraction form
    21,666,540.80/32,501,955.20 = 8,023,326.72/x
  3. Step 3: Cross multiply
    21,666,540.80x = 32,501,955.20 × 8,023,326.72
  4. Step 4: Simplify right side
    21,666,540.80x = 260,773,805,608,402.94
  5. Step 5: Solve for x
    x = 260,773,805,608,402.94/21,666,540.80
  6. Step 6: Final answer
    x = 12,035,784.02

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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.