Home / 12,563,165.70-18,844,748.55-11,287,707.30

Finding the Fourth Proportional to 12,563,165.70, 18,844,748.55 and 11,287,707.30

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Solution

The fourth proportional to 12,563,165.70, 18,844,748.55 and 11,287,707.30 is: 16,931,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,165.70 : 18,844,748.55 = 11,287,707.30 : x
  2. Step 2: Convert to fraction form
    12,563,165.70/18,844,748.55 = 11,287,707.30/x
  3. Step 3: Cross multiply
    12,563,165.70x = 18,844,748.55 × 11,287,707.30
  4. Step 4: Simplify right side
    12,563,165.70x = 212,714,005,774,499.44
  5. Step 5: Solve for x
    x = 212,714,005,774,499.44/12,563,165.70
  6. Step 6: Final answer
    x = 16,931,560.95

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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.