Home / 27,959,999.28-41,920,500.63-12,389,359.23

Finding the Fourth Proportional to 27,959,999.28, 41,920,500.63 and 12,389,359.23

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Solution

The fourth proportional to 27,959,999.28, 41,920,500.63 and 12,389,359.23 is: 18,575,398.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959,999.28 : 41,920,500.63 = 12,389,359.23 : x
  2. Step 2: Convert to fraction form
    27,959,999.28/41,920,500.63 = 12,389,359.23/x
  3. Step 3: Cross multiply
    27,959,999.28x = 41,920,500.63 × 12,389,359.23
  4. Step 4: Simplify right side
    27,959,999.28x = 519,368,141,406,511.38
  5. Step 5: Solve for x
    x = 519,368,141,406,511.38/27,959,999.28
  6. Step 6: Final answer
    x = 18,575,398.95

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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.