Home / 10,941,815.60-16,389,103.80-7,115,440.40

Finding the Fourth Proportional to 10,941,815.60, 16,389,103.80 and 7,115,440.40

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Solution

The fourth proportional to 10,941,815.60, 16,389,103.80 and 7,115,440.40 is: 10,657,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941,815.60 : 16,389,103.80 = 7,115,440.40 : x
  2. Step 2: Convert to fraction form
    10,941,815.60/16,389,103.80 = 7,115,440.40/x
  3. Step 3: Cross multiply
    10,941,815.60x = 16,389,103.80 × 7,115,440.40
  4. Step 4: Simplify right side
    10,941,815.60x = 116,615,691,298,313.53
  5. Step 5: Solve for x
    x = 116,615,691,298,313.53/10,941,815.60
  6. Step 6: Final answer
    x = 10,657,800.82

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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.