Home / 21,729,140.80-32,598,085.20-6,376,400.80

Finding the Fourth Proportional to 21,729,140.80, 32,598,085.20 and 6,376,400.80

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Solution

The fourth proportional to 21,729,140.80, 32,598,085.20 and 6,376,400.80 is: 9,565,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,729,140.80 : 32,598,085.20 = 6,376,400.80 : x
  2. Step 2: Convert to fraction form
    21,729,140.80/32,598,085.20 = 6,376,400.80/x
  3. Step 3: Cross multiply
    21,729,140.80x = 32,598,085.20 × 6,376,400.80
  4. Step 4: Simplify right side
    21,729,140.80x = 207,858,456,547,748.16
  5. Step 5: Solve for x
    x = 207,858,456,547,748.16/21,729,140.80
  6. Step 6: Final answer
    x = 9,565,884.75

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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.