Home / 15,330,096.50-21,155,554.17-8,360,790.89

Finding the Fourth Proportional to 15,330,096.50, 21,155,554.17 and 8,360,790.89

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Solution

The fourth proportional to 15,330,096.50, 21,155,554.17 and 8,360,790.89 is: 11,537,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330,096.50 : 21,155,554.17 = 8,360,790.89 : x
  2. Step 2: Convert to fraction form
    15,330,096.50/21,155,554.17 = 8,360,790.89/x
  3. Step 3: Cross multiply
    15,330,096.50x = 21,155,554.17 × 8,360,790.89
  4. Step 4: Simplify right side
    15,330,096.50x = 176,877,164,471,659.75
  5. Step 5: Solve for x
    x = 176,877,164,471,659.75/15,330,096.50
  6. Step 6: Final answer
    x = 11,537,902.88

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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.