Home / 19,242,221.18-28,859,723.22-9,655,025.54

Finding the Fourth Proportional to 19,242,221.18, 28,859,723.22 and 9,655,025.54

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Solution

The fourth proportional to 19,242,221.18, 28,859,723.22 and 9,655,025.54 is: 14,480,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242,221.18 : 28,859,723.22 = 9,655,025.54 : x
  2. Step 2: Convert to fraction form
    19,242,221.18/28,859,723.22 = 9,655,025.54/x
  3. Step 3: Cross multiply
    19,242,221.18x = 28,859,723.22 × 9,655,025.54
  4. Step 4: Simplify right side
    19,242,221.18x = 278,641,364,766,431
  5. Step 5: Solve for x
    x = 278,641,364,766,431/19,242,221.18
  6. Step 6: Final answer
    x = 14,480,727.67

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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.