Home / 7,931,988.34-11,897,982.62-5,235,682.82

Finding the Fourth Proportional to 7,931,988.34, 11,897,982.62 and 5,235,682.82

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Solution

The fourth proportional to 7,931,988.34, 11,897,982.62 and 5,235,682.82 is: 7,853,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,988.34 : 11,897,982.62 = 5,235,682.82 : x
  2. Step 2: Convert to fraction form
    7,931,988.34/11,897,982.62 = 5,235,682.82/x
  3. Step 3: Cross multiply
    7,931,988.34x = 11,897,982.62 × 5,235,682.82
  4. Step 4: Simplify right side
    7,931,988.34x = 62,294,063,196,192.59
  5. Step 5: Solve for x
    x = 62,294,063,196,192.59/7,931,988.34
  6. Step 6: Final answer
    x = 7,853,524.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.