Home / 14,919,785.88-22,379,605.06-12,891,858.81

Finding the Fourth Proportional to 14,919,785.88, 22,379,605.06 and 12,891,858.81

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Solution

The fourth proportional to 14,919,785.88, 22,379,605.06 and 12,891,858.81 is: 19,337,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,785.88 : 22,379,605.06 = 12,891,858.81 : x
  2. Step 2: Convert to fraction form
    14,919,785.88/22,379,605.06 = 12,891,858.81/x
  3. Step 3: Cross multiply
    14,919,785.88x = 22,379,605.06 × 12,891,858.81
  4. Step 4: Simplify right side
    14,919,785.88x = 288,514,708,657,081.56
  5. Step 5: Solve for x
    x = 288,514,708,657,081.56/14,919,785.88
  6. Step 6: Final answer
    x = 19,337,724.48

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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.