Home / 19,987,947.61-27,583,377-10,820,590.36

Finding the Fourth Proportional to 19,987,947.61, 27,583,377 and 10,820,590.36

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Solution

The fourth proportional to 19,987,947.61, 27,583,377 and 10,820,590.36 is: 14,932,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,947.61 : 27,583,377 = 10,820,590.36 : x
  2. Step 2: Convert to fraction form
    19,987,947.61/27,583,377 = 10,820,590.36/x
  3. Step 3: Cross multiply
    19,987,947.61x = 27,583,377 × 10,820,590.36
  4. Step 4: Simplify right side
    19,987,947.61x = 298,468,423,262,445.69
  5. Step 5: Solve for x
    x = 298,468,423,262,445.69/19,987,947.61
  6. Step 6: Final answer
    x = 14,932,419.73

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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.