Home / 8,150,756.59-11,243,551.12-6,620,206.51

Finding the Fourth Proportional to 8,150,756.59, 11,243,551.12 and 6,620,206.51

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Solution

The fourth proportional to 8,150,756.59, 11,243,551.12 and 6,620,206.51 is: 9,132,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150,756.59 : 11,243,551.12 = 6,620,206.51 : x
  2. Step 2: Convert to fraction form
    8,150,756.59/11,243,551.12 = 6,620,206.51/x
  3. Step 3: Cross multiply
    8,150,756.59x = 11,243,551.12 × 6,620,206.51
  4. Step 4: Simplify right side
    8,150,756.59x = 74,434,630,354,884.38
  5. Step 5: Solve for x
    x = 74,434,630,354,884.38/8,150,756.59
  6. Step 6: Final answer
    x = 9,132,235.70

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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.