Home / 15,320,091.03-21,141,089.30-8,350,615.22

Finding the Fourth Proportional to 15,320,091.03, 21,141,089.30 and 8,350,615.22

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Solution

The fourth proportional to 15,320,091.03, 21,141,089.30 and 8,350,615.22 is: 11,523,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320,091.03 : 21,141,089.30 = 8,350,615.22 : x
  2. Step 2: Convert to fraction form
    15,320,091.03/21,141,089.30 = 8,350,615.22/x
  3. Step 3: Cross multiply
    15,320,091.03x = 21,141,089.30 × 8,350,615.22
  4. Step 4: Simplify right side
    15,320,091.03x = 176,541,101,991,130.22
  5. Step 5: Solve for x
    x = 176,541,101,991,130.22/15,320,091.03
  6. Step 6: Final answer
    x = 11,523,502.16

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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.