Home / 15,182,726.64-20,949,067.12-8,984,671.36

Finding the Fourth Proportional to 15,182,726.64, 20,949,067.12 and 8,984,671.36

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Solution

The fourth proportional to 15,182,726.64, 20,949,067.12 and 8,984,671.36 is: 12,397,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182,726.64 : 20,949,067.12 = 8,984,671.36 : x
  2. Step 2: Convert to fraction form
    15,182,726.64/20,949,067.12 = 8,984,671.36/x
  3. Step 3: Cross multiply
    15,182,726.64x = 20,949,067.12 × 8,984,671.36
  4. Step 4: Simplify right side
    15,182,726.64x = 188,220,483,439,109.81
  5. Step 5: Solve for x
    x = 188,220,483,439,109.81/15,182,726.64
  6. Step 6: Final answer
    x = 12,397,014.57

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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.