Home / 12,900,970.09-17,803,333.40-7,099,751.71

Finding the Fourth Proportional to 12,900,970.09, 17,803,333.40 and 7,099,751.71

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Solution

The fourth proportional to 12,900,970.09, 17,803,333.40 and 7,099,751.71 is: 9,797,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,970.09 : 17,803,333.40 = 7,099,751.71 : x
  2. Step 2: Convert to fraction form
    12,900,970.09/17,803,333.40 = 7,099,751.71/x
  3. Step 3: Cross multiply
    12,900,970.09x = 17,803,333.40 × 7,099,751.71
  4. Step 4: Simplify right side
    12,900,970.09x = 126,399,246,750,350.11
  5. Step 5: Solve for x
    x = 126,399,246,750,350.11/12,900,970.09
  6. Step 6: Final answer
    x = 9,797,654.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.