Home / 11,329,486.85-16,994,348.12-9,069,378.20

Finding the Fourth Proportional to 11,329,486.85, 16,994,348.12 and 9,069,378.20

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Solution

The fourth proportional to 11,329,486.85, 16,994,348.12 and 9,069,378.20 is: 13,604,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329,486.85 : 16,994,348.12 = 9,069,378.20 : x
  2. Step 2: Convert to fraction form
    11,329,486.85/16,994,348.12 = 9,069,378.20/x
  3. Step 3: Cross multiply
    11,329,486.85x = 16,994,348.12 × 9,069,378.20
  4. Step 4: Simplify right side
    11,329,486.85x = 154,128,170,232,420.34
  5. Step 5: Solve for x
    x = 154,128,170,232,420.34/11,329,486.85
  6. Step 6: Final answer
    x = 13,604,161.63

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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.