Home / 13,069,564.80-19,609,012.80-5,498,851.20

Finding the Fourth Proportional to 13,069,564.80, 19,609,012.80 and 5,498,851.20

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Solution

The fourth proportional to 13,069,564.80, 19,609,012.80 and 5,498,851.20 is: 8,250,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069,564.80 : 19,609,012.80 = 5,498,851.20 : x
  2. Step 2: Convert to fraction form
    13,069,564.80/19,609,012.80 = 5,498,851.20/x
  3. Step 3: Cross multiply
    13,069,564.80x = 19,609,012.80 × 5,498,851.20
  4. Step 4: Simplify right side
    13,069,564.80x = 107,827,043,566,095.38
  5. Step 5: Solve for x
    x = 107,827,043,566,095.38/13,069,564.80
  6. Step 6: Final answer
    x = 8,250,239.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.