Home / 13,709,672.34-20,548,519.71-10,081,800.19

Finding the Fourth Proportional to 13,709,672.34, 20,548,519.71 and 10,081,800.19

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Solution

The fourth proportional to 13,709,672.34, 20,548,519.71 and 10,081,800.19 is: 15,110,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,672.34 : 20,548,519.71 = 10,081,800.19 : x
  2. Step 2: Convert to fraction form
    13,709,672.34/20,548,519.71 = 10,081,800.19/x
  3. Step 3: Cross multiply
    13,709,672.34x = 20,548,519.71 × 10,081,800.19
  4. Step 4: Simplify right side
    13,709,672.34x = 207,166,069,916,496.75
  5. Step 5: Solve for x
    x = 207,166,069,916,496.75/13,709,672.34
  6. Step 6: Final answer
    x = 15,110,942.46

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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.