Home / 7,931,983.84-11,897,975.87-5,235,678.32

Finding the Fourth Proportional to 7,931,983.84, 11,897,975.87 and 5,235,678.32

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Solution

The fourth proportional to 7,931,983.84, 11,897,975.87 and 5,235,678.32 is: 7,853,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,983.84 : 11,897,975.87 = 5,235,678.32 : x
  2. Step 2: Convert to fraction form
    7,931,983.84/11,897,975.87 = 5,235,678.32/x
  3. Step 3: Cross multiply
    7,931,983.84x = 11,897,975.87 × 5,235,678.32
  4. Step 4: Simplify right side
    7,931,983.84x = 62,293,974,228,773.88
  5. Step 5: Solve for x
    x = 62,293,974,228,773.88/7,931,983.84
  6. Step 6: Final answer
    x = 7,853,517.55

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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.