Home / 19,987,953.52-27,583,385.10-10,820,596.28

Finding the Fourth Proportional to 19,987,953.52, 27,583,385.10 and 10,820,596.28

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Solution

The fourth proportional to 19,987,953.52, 27,583,385.10 and 10,820,596.28 is: 14,932,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,987,953.52 : 27,583,385.10 = 10,820,596.28 : x
  2. Step 2: Convert to fraction form
    19,987,953.52/27,583,385.10 = 10,820,596.28/x
  3. Step 3: Cross multiply
    19,987,953.52x = 27,583,385.10 × 10,820,596.28
  4. Step 4: Simplify right side
    19,987,953.52x = 298,468,674,202,867.44
  5. Step 5: Solve for x
    x = 298,468,674,202,867.44/19,987,953.52
  6. Step 6: Final answer
    x = 14,932,427.87

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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.