Home / 40,781,475.62-56,278,670.40-22,196,571.43

Finding the Fourth Proportional to 40,781,475.62, 56,278,670.40 and 22,196,571.43

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Solution

The fourth proportional to 40,781,475.62, 56,278,670.40 and 22,196,571.43 is: 30,631,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781,475.62 : 56,278,670.40 = 22,196,571.43 : x
  2. Step 2: Convert to fraction form
    40,781,475.62/56,278,670.40 = 22,196,571.43/x
  3. Step 3: Cross multiply
    40,781,475.62x = 56,278,670.40 × 22,196,571.43
  4. Step 4: Simplify right side
    40,781,475.62x = 1,249,193,527,483,852.50
  5. Step 5: Solve for x
    x = 1,249,193,527,483,852.50/40,781,475.62
  6. Step 6: Final answer
    x = 30,631,395.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.