Home / 13,254,197.40-18,290,901.36-7,452,928.38

Finding the Fourth Proportional to 13,254,197.40, 18,290,901.36 and 7,452,928.38

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Solution

The fourth proportional to 13,254,197.40, 18,290,901.36 and 7,452,928.38 is: 10,285,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254,197.40 : 18,290,901.36 = 7,452,928.38 : x
  2. Step 2: Convert to fraction form
    13,254,197.40/18,290,901.36 = 7,452,928.38/x
  3. Step 3: Cross multiply
    13,254,197.40x = 18,290,901.36 × 7,452,928.38
  4. Step 4: Simplify right side
    13,254,197.40x = 136,320,777,841,724.59
  5. Step 5: Solve for x
    x = 136,320,777,841,724.59/13,254,197.40
  6. Step 6: Final answer
    x = 10,285,102.43

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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.