Home / 14,514,121.60-21,779,476.80-5,545,110.40

Finding the Fourth Proportional to 14,514,121.60, 21,779,476.80 and 5,545,110.40

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Solution

The fourth proportional to 14,514,121.60, 21,779,476.80 and 5,545,110.40 is: 8,320,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514,121.60 : 21,779,476.80 = 5,545,110.40 : x
  2. Step 2: Convert to fraction form
    14,514,121.60/21,779,476.80 = 5,545,110.40/x
  3. Step 3: Cross multiply
    14,514,121.60x = 21,779,476.80 × 5,545,110.40
  4. Step 4: Simplify right side
    14,514,121.60x = 120,769,603,310,238.73
  5. Step 5: Solve for x
    x = 120,769,603,310,238.73/14,514,121.60
  6. Step 6: Final answer
    x = 8,320,834.47

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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.