Home / 15,071,122.08-20,798,694.48-8,633,838.24

Finding the Fourth Proportional to 15,071,122.08, 20,798,694.48 and 8,633,838.24

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Solution

The fourth proportional to 15,071,122.08, 20,798,694.48 and 8,633,838.24 is: 11,915,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071,122.08 : 20,798,694.48 = 8,633,838.24 : x
  2. Step 2: Convert to fraction form
    15,071,122.08/20,798,694.48 = 8,633,838.24/x
  3. Step 3: Cross multiply
    15,071,122.08x = 20,798,694.48 × 8,633,838.24
  4. Step 4: Simplify right side
    15,071,122.08x = 179,572,563,743,500.94
  5. Step 5: Solve for x
    x = 179,572,563,743,500.94/15,071,122.08
  6. Step 6: Final answer
    x = 11,915,009.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.