Home / 10,369,869.60-15,554,804.40-7,794,458.40

Finding the Fourth Proportional to 10,369,869.60, 15,554,804.40 and 7,794,458.40

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Solution

The fourth proportional to 10,369,869.60, 15,554,804.40 and 7,794,458.40 is: 11,691,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,869.60 : 15,554,804.40 = 7,794,458.40 : x
  2. Step 2: Convert to fraction form
    10,369,869.60/15,554,804.40 = 7,794,458.40/x
  3. Step 3: Cross multiply
    10,369,869.60x = 15,554,804.40 × 7,794,458.40
  4. Step 4: Simplify right side
    10,369,869.60x = 121,241,275,815,936.97
  5. Step 5: Solve for x
    x = 121,241,275,815,936.97/10,369,869.60
  6. Step 6: Final answer
    x = 11,691,687.60

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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.