Home / 36,178,139.70-54,255,547.37-11,911,288.85

Finding the Fourth Proportional to 36,178,139.70, 54,255,547.37 and 11,911,288.85

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Solution

The fourth proportional to 36,178,139.70, 54,255,547.37 and 11,911,288.85 is: 17,863,093.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,178,139.70 : 54,255,547.37 = 11,911,288.85 : x
  2. Step 2: Convert to fraction form
    36,178,139.70/54,255,547.37 = 11,911,288.85/x
  3. Step 3: Cross multiply
    36,178,139.70x = 54,255,547.37 × 11,911,288.85
  4. Step 4: Simplify right side
    36,178,139.70x = 646,253,496,400,886.62
  5. Step 5: Solve for x
    x = 646,253,496,400,886.62/36,178,139.70
  6. Step 6: Final answer
    x = 17,863,093.62

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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.