Home / 12,378,023.40-18,531,605.70-10,960,847.40

Finding the Fourth Proportional to 12,378,023.40, 18,531,605.70 and 10,960,847.40

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Solution

The fourth proportional to 12,378,023.40, 18,531,605.70 and 10,960,847.40 is: 16,409,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378,023.40 : 18,531,605.70 = 10,960,847.40 : x
  2. Step 2: Convert to fraction form
    12,378,023.40/18,531,605.70 = 10,960,847.40/x
  3. Step 3: Cross multiply
    12,378,023.40x = 18,531,605.70 × 10,960,847.40
  4. Step 4: Simplify right side
    12,378,023.40x = 203,122,102,154,670.19
  5. Step 5: Solve for x
    x = 203,122,102,154,670.19/12,378,023.40
  6. Step 6: Final answer
    x = 16,409,898.06

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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.