Home / 22,485,807.45-31,030,513.38-12,172,530.51

Finding the Fourth Proportional to 22,485,807.45, 31,030,513.38 and 12,172,530.51

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Solution

The fourth proportional to 22,485,807.45, 31,030,513.38 and 12,172,530.51 is: 16,798,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485,807.45 : 31,030,513.38 = 12,172,530.51 : x
  2. Step 2: Convert to fraction form
    22,485,807.45/31,030,513.38 = 12,172,530.51/x
  3. Step 3: Cross multiply
    22,485,807.45x = 31,030,513.38 × 12,172,530.51
  4. Step 4: Simplify right side
    22,485,807.45x = 377,719,870,859,013.19
  5. Step 5: Solve for x
    x = 377,719,870,859,013.19/22,485,807.45
  6. Step 6: Final answer
    x = 16,798,145.75

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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.