Home / 13,309,525.20-18,367,995.60-7,506,189.60

Finding the Fourth Proportional to 13,309,525.20, 18,367,995.60 and 7,506,189.60

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Solution

The fourth proportional to 13,309,525.20, 18,367,995.60 and 7,506,189.60 is: 10,359,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,525.20 : 18,367,995.60 = 7,506,189.60 : x
  2. Step 2: Convert to fraction form
    13,309,525.20/18,367,995.60 = 7,506,189.60/x
  3. Step 3: Cross multiply
    13,309,525.20x = 18,367,995.60 × 7,506,189.60
  4. Step 4: Simplify right side
    13,309,525.20x = 137,873,657,545,565.77
  5. Step 5: Solve for x
    x = 137,873,657,545,565.77/13,309,525.20
  6. Step 6: Final answer
    x = 10,359,021.49

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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.