Home / 13,329,590.16-18,395,012.88-7,448,965.88

Finding the Fourth Proportional to 13,329,590.16, 18,395,012.88 and 7,448,965.88

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Solution

The fourth proportional to 13,329,590.16, 18,395,012.88 and 7,448,965.88 is: 10,279,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329,590.16 : 18,395,012.88 = 7,448,965.88 : x
  2. Step 2: Convert to fraction form
    13,329,590.16/18,395,012.88 = 7,448,965.88/x
  3. Step 3: Cross multiply
    13,329,590.16x = 18,395,012.88 × 7,448,965.88
  4. Step 4: Simplify right side
    13,329,590.16x = 137,023,823,305,280.53
  5. Step 5: Solve for x
    x = 137,023,823,305,280.53/13,329,590.16
  6. Step 6: Final answer
    x = 10,279,672.64

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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.