Home / 12,947,368.38-17,866,096.30-7,145,776.46

Finding the Fourth Proportional to 12,947,368.38, 17,866,096.30 and 7,145,776.46

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Solution

The fourth proportional to 12,947,368.38, 17,866,096.30 and 7,145,776.46 is: 9,860,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,368.38 : 17,866,096.30 = 7,145,776.46 : x
  2. Step 2: Convert to fraction form
    12,947,368.38/17,866,096.30 = 7,145,776.46/x
  3. Step 3: Cross multiply
    12,947,368.38x = 17,866,096.30 × 7,145,776.46
  4. Step 4: Simplify right side
    12,947,368.38x = 127,667,130,247,573.75
  5. Step 5: Solve for x
    x = 127,667,130,247,573.75/12,947,368.38
  6. Step 6: Final answer
    x = 9,860,469.44

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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.