Home / 21,948,842.50-32,916,285.60-20,515,941.16

Finding the Fourth Proportional to 21,948,842.50, 32,916,285.60 and 20,515,941.16

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Solution

The fourth proportional to 21,948,842.50, 32,916,285.60 and 20,515,941.16 is: 30,767,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948,842.50 : 32,916,285.60 = 20,515,941.16 : x
  2. Step 2: Convert to fraction form
    21,948,842.50/32,916,285.60 = 20,515,941.16/x
  3. Step 3: Cross multiply
    21,948,842.50x = 32,916,285.60 × 20,515,941.16
  4. Step 4: Simplify right side
    21,948,842.50x = 675,308,578,575,355.38
  5. Step 5: Solve for x
    x = 675,308,578,575,355.38/21,948,842.50
  6. Step 6: Final answer
    x = 30,767,389.15

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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.