Home / 19,811,112.76-29,713,604.10-8,140,667.32

Finding the Fourth Proportional to 19,811,112.76, 29,713,604.10 and 8,140,667.32

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Solution

The fourth proportional to 19,811,112.76, 29,713,604.10 and 8,140,667.32 is: 12,209,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811,112.76 : 29,713,604.10 = 8,140,667.32 : x
  2. Step 2: Convert to fraction form
    19,811,112.76/29,713,604.10 = 8,140,667.32/x
  3. Step 3: Cross multiply
    19,811,112.76x = 29,713,604.10 × 8,140,667.32
  4. Step 4: Simplify right side
    19,811,112.76x = 241,888,565,856,288.03
  5. Step 5: Solve for x
    x = 241,888,565,856,288.03/19,811,112.76
  6. Step 6: Final answer
    x = 12,209,741.51

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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.