Home / 19,178,161.29-28,767,044.79-11,085,987.87

Finding the Fourth Proportional to 19,178,161.29, 28,767,044.79 and 11,085,987.87

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Solution

The fourth proportional to 19,178,161.29, 28,767,044.79 and 11,085,987.87 is: 16,628,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,161.29 : 28,767,044.79 = 11,085,987.87 : x
  2. Step 2: Convert to fraction form
    19,178,161.29/28,767,044.79 = 11,085,987.87/x
  3. Step 3: Cross multiply
    19,178,161.29x = 28,767,044.79 × 11,085,987.87
  4. Step 4: Simplify right side
    19,178,161.29x = 318,911,109,597,686.69
  5. Step 5: Solve for x
    x = 318,911,109,597,686.69/19,178,161.29
  6. Step 6: Final answer
    x = 16,628,867.84

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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.