Home / 9,641,007.70-13,304,145.45-5,289,985.78

Finding the Fourth Proportional to 9,641,007.70, 13,304,145.45 and 5,289,985.78

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Solution

The fourth proportional to 9,641,007.70, 13,304,145.45 and 5,289,985.78 is: 7,299,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641,007.70 : 13,304,145.45 = 5,289,985.78 : x
  2. Step 2: Convert to fraction form
    9,641,007.70/13,304,145.45 = 5,289,985.78/x
  3. Step 3: Cross multiply
    9,641,007.70x = 13,304,145.45 × 5,289,985.78
  4. Step 4: Simplify right side
    9,641,007.70x = 70,378,740,245,551.70
  5. Step 5: Solve for x
    x = 70,378,740,245,551.70/9,641,007.70
  6. Step 6: Final answer
    x = 7,299,936.11

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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.