Home / 5,378,332.01-7,421,909.64-2,930,893.11

Finding the Fourth Proportional to 5,378,332.01, 7,421,909.64 and 2,930,893.11

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Solution

The fourth proportional to 5,378,332.01, 7,421,909.64 and 2,930,893.11 is: 4,044,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,332.01 : 7,421,909.64 = 2,930,893.11 : x
  2. Step 2: Convert to fraction form
    5,378,332.01/7,421,909.64 = 2,930,893.11/x
  3. Step 3: Cross multiply
    5,378,332.01x = 7,421,909.64 × 2,930,893.11
  4. Step 4: Simplify right side
    5,378,332.01x = 21,752,823,826,918.58
  5. Step 5: Solve for x
    x = 21,752,823,826,918.58/5,378,332.01
  6. Step 6: Final answer
    x = 4,044,529.76

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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.