Home / 12,943,170.48-17,861,554.26-7,141,947.60

Finding the Fourth Proportional to 12,943,170.48, 17,861,554.26 and 7,141,947.60

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Solution

The fourth proportional to 12,943,170.48, 17,861,554.26 and 7,141,947.60 is: 9,855,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943,170.48 : 17,861,554.26 = 7,141,947.60 : x
  2. Step 2: Convert to fraction form
    12,943,170.48/17,861,554.26 = 7,141,947.60/x
  3. Step 3: Cross multiply
    12,943,170.48x = 17,861,554.26 × 7,141,947.60
  4. Step 4: Simplify right side
    12,943,170.48x = 127,566,284,579,476.78
  5. Step 5: Solve for x
    x = 127,566,284,579,476.78/12,943,170.48
  6. Step 6: Final answer
    x = 9,855,876.10

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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.