Home / 27,902,660.50-38,506,505.76-15,343,062.78

Finding the Fourth Proportional to 27,902,660.50, 38,506,505.76 and 15,343,062.78

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Solution

The fourth proportional to 27,902,660.50, 38,506,505.76 and 15,343,062.78 is: 21,173,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902,660.50 : 38,506,505.76 = 15,343,062.78 : x
  2. Step 2: Convert to fraction form
    27,902,660.50/38,506,505.76 = 15,343,062.78/x
  3. Step 3: Cross multiply
    27,902,660.50x = 38,506,505.76 × 15,343,062.78
  4. Step 4: Simplify right side
    27,902,660.50x = 590,807,735,314,111.50
  5. Step 5: Solve for x
    x = 590,807,735,314,111.50/27,902,660.50
  6. Step 6: Final answer
    x = 21,173,885.38

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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.