Home / 9,521,897.67-13,144,239.56-6,428,609.42

Finding the Fourth Proportional to 9,521,897.67, 13,144,239.56 and 6,428,609.42

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Solution

The fourth proportional to 9,521,897.67, 13,144,239.56 and 6,428,609.42 is: 8,874,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,897.67 : 13,144,239.56 = 6,428,609.42 : x
  2. Step 2: Convert to fraction form
    9,521,897.67/13,144,239.56 = 6,428,609.42/x
  3. Step 3: Cross multiply
    9,521,897.67x = 13,144,239.56 × 6,428,609.42
  4. Step 4: Simplify right side
    9,521,897.67x = 84,499,182,156,288.41
  5. Step 5: Solve for x
    x = 84,499,182,156,288.41/9,521,897.67
  6. Step 6: Final answer
    x = 8,874,195.57

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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.