Home / 21,420,595.67-32,131,926.86-7,043,345.15

Finding the Fourth Proportional to 21,420,595.67, 32,131,926.86 and 7,043,345.15

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Solution

The fourth proportional to 21,420,595.67, 32,131,926.86 and 7,043,345.15 is: 10,565,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,420,595.67 : 32,131,926.86 = 7,043,345.15 : x
  2. Step 2: Convert to fraction form
    21,420,595.67/32,131,926.86 = 7,043,345.15/x
  3. Step 3: Cross multiply
    21,420,595.67x = 32,131,926.86 × 7,043,345.15
  4. Step 4: Simplify right side
    21,420,595.67x = 226,316,251,013,659.34
  5. Step 5: Solve for x
    x = 226,316,251,013,659.34/21,420,595.67
  6. Step 6: Final answer
    x = 10,565,357.50

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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.