Home / 21,367,295.87-29,487,417.27-13,111,919.24

Finding the Fourth Proportional to 21,367,295.87, 29,487,417.27 and 13,111,919.24

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Solution

The fourth proportional to 21,367,295.87, 29,487,417.27 and 13,111,919.24 is: 18,094,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367,295.87 : 29,487,417.27 = 13,111,919.24 : x
  2. Step 2: Convert to fraction form
    21,367,295.87/29,487,417.27 = 13,111,919.24/x
  3. Step 3: Cross multiply
    21,367,295.87x = 29,487,417.27 × 13,111,919.24
  4. Step 4: Simplify right side
    21,367,295.87x = 386,636,633,840,421.25
  5. Step 5: Solve for x
    x = 386,636,633,840,421.25/21,367,295.87
  6. Step 6: Final answer
    x = 18,094,785.42

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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.