Home / 15,408,579.11-21,263,432.20-8,793,048.98

Finding the Fourth Proportional to 15,408,579.11, 21,263,432.20 and 8,793,048.98

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Solution

The fourth proportional to 15,408,579.11, 21,263,432.20 and 8,793,048.98 is: 12,134,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408,579.11 : 21,263,432.20 = 8,793,048.98 : x
  2. Step 2: Convert to fraction form
    15,408,579.11/21,263,432.20 = 8,793,048.98/x
  3. Step 3: Cross multiply
    15,408,579.11x = 21,263,432.20 × 8,793,048.98
  4. Step 4: Simplify right side
    15,408,579.11x = 186,970,400,848,685.12
  5. Step 5: Solve for x
    x = 186,970,400,848,685.12/15,408,579.11
  6. Step 6: Final answer
    x = 12,134,175.36

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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.