Home / 8,938,656.16-13,408,029.43-2,790,122.41

Finding the Fourth Proportional to 8,938,656.16, 13,408,029.43 and 2,790,122.41

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Solution

The fourth proportional to 8,938,656.16, 13,408,029.43 and 2,790,122.41 is: 4,185,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,656.16 : 13,408,029.43 = 2,790,122.41 : x
  2. Step 2: Convert to fraction form
    8,938,656.16/13,408,029.43 = 2,790,122.41/x
  3. Step 3: Cross multiply
    8,938,656.16x = 13,408,029.43 × 2,790,122.41
  4. Step 4: Simplify right side
    8,938,656.16x = 37,410,043,386,582.53
  5. Step 5: Solve for x
    x = 37,410,043,386,582.53/8,938,656.16
  6. Step 6: Final answer
    x = 4,185,197.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.