Home / 7,270,612.11-10,032,854.81-4,215,023.19

Finding the Fourth Proportional to 7,270,612.11, 10,032,854.81 and 4,215,023.19

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Solution

The fourth proportional to 7,270,612.11, 10,032,854.81 and 4,215,023.19 is: 5,816,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270,612.11 : 10,032,854.81 = 4,215,023.19 : x
  2. Step 2: Convert to fraction form
    7,270,612.11/10,032,854.81 = 4,215,023.19/x
  3. Step 3: Cross multiply
    7,270,612.11x = 10,032,854.81 × 4,215,023.19
  4. Step 4: Simplify right side
    7,270,612.11x = 42,288,715,664,977.93
  5. Step 5: Solve for x
    x = 42,288,715,664,977.93/7,270,612.11
  6. Step 6: Final answer
    x = 5,816,390.01

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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.