Home / 26,346,148.32-36,340,813.84-21,131,668.48

Finding the Fourth Proportional to 26,346,148.32, 36,340,813.84 and 21,131,668.48

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Solution

The fourth proportional to 26,346,148.32, 36,340,813.84 and 21,131,668.48 is: 29,148,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,346,148.32 : 36,340,813.84 = 21,131,668.48 : x
  2. Step 2: Convert to fraction form
    26,346,148.32/36,340,813.84 = 21,131,668.48/x
  3. Step 3: Cross multiply
    26,346,148.32x = 36,340,813.84 × 21,131,668.48
  4. Step 4: Simplify right side
    26,346,148.32x = 767,942,030,360,275.88
  5. Step 5: Solve for x
    x = 767,942,030,360,275.88/26,346,148.32
  6. Step 6: Final answer
    x = 29,148,170.77

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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.