Home / 21,450,921.59-32,133,301.26-9,920,226.53

Finding the Fourth Proportional to 21,450,921.59, 32,133,301.26 and 9,920,226.53

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Solution

The fourth proportional to 21,450,921.59, 32,133,301.26 and 9,920,226.53 is: 14,860,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450,921.59 : 32,133,301.26 = 9,920,226.53 : x
  2. Step 2: Convert to fraction form
    21,450,921.59/32,133,301.26 = 9,920,226.53/x
  3. Step 3: Cross multiply
    21,450,921.59x = 32,133,301.26 × 9,920,226.53
  4. Step 4: Simplify right side
    21,450,921.59x = 318,769,627,655,934.44
  5. Step 5: Solve for x
    x = 318,769,627,655,934.44/21,450,921.59
  6. Step 6: Final answer
    x = 14,860,416.43

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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.