Home / 21,643,795.28-32,458,035.06-6,287,890.20

Finding the Fourth Proportional to 21,643,795.28, 32,458,035.06 and 6,287,890.20

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Solution

The fourth proportional to 21,643,795.28, 32,458,035.06 and 6,287,890.20 is: 9,429,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,643,795.28 : 32,458,035.06 = 6,287,890.20 : x
  2. Step 2: Convert to fraction form
    21,643,795.28/32,458,035.06 = 6,287,890.20/x
  3. Step 3: Cross multiply
    21,643,795.28x = 32,458,035.06 × 6,287,890.20
  4. Step 4: Simplify right side
    21,643,795.28x = 204,092,560,565,030.41
  5. Step 5: Solve for x
    x = 204,092,560,565,030.41/21,643,795.28
  6. Step 6: Final answer
    x = 9,429,610.56

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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.