Home / 13,325,319.02-18,388,946.40-7,213,747.52

Finding the Fourth Proportional to 13,325,319.02, 18,388,946.40 and 7,213,747.52

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Solution

The fourth proportional to 13,325,319.02, 18,388,946.40 and 7,213,747.52 is: 9,954,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,319.02 : 18,388,946.40 = 7,213,747.52 : x
  2. Step 2: Convert to fraction form
    13,325,319.02/18,388,946.40 = 7,213,747.52/x
  3. Step 3: Cross multiply
    13,325,319.02x = 18,388,946.40 × 7,213,747.52
  4. Step 4: Simplify right side
    13,325,319.02x = 132,653,216,488,412.91
  5. Step 5: Solve for x
    x = 132,653,216,488,412.91/13,325,319.02
  6. Step 6: Final answer
    x = 9,954,974.91

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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.