Home / 13,042,843.04-17,999,685.52-7,241,625.52

Finding the Fourth Proportional to 13,042,843.04, 17,999,685.52 and 7,241,625.52

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Solution

The fourth proportional to 13,042,843.04, 17,999,685.52 and 7,241,625.52 is: 9,993,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042,843.04 : 17,999,685.52 = 7,241,625.52 : x
  2. Step 2: Convert to fraction form
    13,042,843.04/17,999,685.52 = 7,241,625.52/x
  3. Step 3: Cross multiply
    13,042,843.04x = 17,999,685.52 × 7,241,625.52
  4. Step 4: Simplify right side
    13,042,843.04x = 130,346,982,013,606.45
  5. Step 5: Solve for x
    x = 130,346,982,013,606.45/13,042,843.04
  6. Step 6: Final answer
    x = 9,993,755.32

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1.5x scale

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.