Home / 21,288,434.14-29,378,050.86-11,498,878.27

Finding the Fourth Proportional to 21,288,434.14, 29,378,050.86 and 11,498,878.27

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Solution

The fourth proportional to 21,288,434.14, 29,378,050.86 and 11,498,878.27 is: 15,868,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,288,434.14 : 29,378,050.86 = 11,498,878.27 : x
  2. Step 2: Convert to fraction form
    21,288,434.14/29,378,050.86 = 11,498,878.27/x
  3. Step 3: Cross multiply
    21,288,434.14x = 29,378,050.86 × 11,498,878.27
  4. Step 4: Simplify right side
    21,288,434.14x = 337,814,630,649,008.81
  5. Step 5: Solve for x
    x = 337,814,630,649,008.81/21,288,434.14
  6. Step 6: Final answer
    x = 15,868,458.36

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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.