Home / 15,395,078.63-21,245,264.82-8,330,671.95

Finding the Fourth Proportional to 15,395,078.63, 21,245,264.82 and 8,330,671.95

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Solution

The fourth proportional to 15,395,078.63, 21,245,264.82 and 8,330,671.95 is: 11,496,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395,078.63 : 21,245,264.82 = 8,330,671.95 : x
  2. Step 2: Convert to fraction form
    15,395,078.63/21,245,264.82 = 8,330,671.95/x
  3. Step 3: Cross multiply
    15,395,078.63x = 21,245,264.82 × 8,330,671.95
  4. Step 4: Simplify right side
    15,395,078.63x = 176,987,331,706,295.81
  5. Step 5: Solve for x
    x = 176,987,331,706,295.81/15,395,078.63
  6. Step 6: Final answer
    x = 11,496,357.77

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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.