Home / 13,770,941.69-20,655,665.30-4,185,572.83

Finding the Fourth Proportional to 13,770,941.69, 20,655,665.30 and 4,185,572.83

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Solution

The fourth proportional to 13,770,941.69, 20,655,665.30 and 4,185,572.83 is: 6,278,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,941.69 : 20,655,665.30 = 4,185,572.83 : x
  2. Step 2: Convert to fraction form
    13,770,941.69/20,655,665.30 = 4,185,572.83/x
  3. Step 3: Cross multiply
    13,770,941.69x = 20,655,665.30 × 4,185,572.83
  4. Step 4: Simplify right side
    13,770,941.69x = 86,455,791,341,047.62
  5. Step 5: Solve for x
    x = 86,455,791,341,047.62/13,770,941.69
  6. Step 6: Final answer
    x = 6,278,132.12

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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.