Home / 13,662,655.80-18,854,419.20-7,467,698.93

Finding the Fourth Proportional to 13,662,655.80, 18,854,419.20 and 7,467,698.93

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Solution

The fourth proportional to 13,662,655.80, 18,854,419.20 and 7,467,698.93 is: 10,305,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662,655.80 : 18,854,419.20 = 7,467,698.93 : x
  2. Step 2: Convert to fraction form
    13,662,655.80/18,854,419.20 = 7,467,698.93/x
  3. Step 3: Cross multiply
    13,662,655.80x = 18,854,419.20 × 7,467,698.93
  4. Step 4: Simplify right side
    13,662,655.80x = 140,799,125,991,339.34
  5. Step 5: Solve for x
    x = 140,799,125,991,339.34/13,662,655.80
  6. Step 6: Final answer
    x = 10,305,399.48

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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.