Home / 13,655,329.64-18,842,748.02-7,543,393.64

Finding the Fourth Proportional to 13,655,329.64, 18,842,748.02 and 7,543,393.64

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Solution

The fourth proportional to 13,655,329.64, 18,842,748.02 and 7,543,393.64 is: 10,408,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655,329.64 : 18,842,748.02 = 7,543,393.64 : x
  2. Step 2: Convert to fraction form
    13,655,329.64/18,842,748.02 = 7,543,393.64/x
  3. Step 3: Cross multiply
    13,655,329.64x = 18,842,748.02 × 7,543,393.64
  4. Step 4: Simplify right side
    13,655,329.64x = 142,138,265,574,190.59
  5. Step 5: Solve for x
    x = 142,138,265,574,190.59/13,655,329.64
  6. Step 6: Final answer
    x = 10,408,995.56

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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.