Home / 40,399,628.40-60,599,442.60-20,197,580.40

Finding the Fourth Proportional to 40,399,628.40, 60,599,442.60 and 20,197,580.40

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Solution

The fourth proportional to 40,399,628.40, 60,599,442.60 and 20,197,580.40 is: 30,296,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,399,628.40 : 60,599,442.60 = 20,197,580.40 : x
  2. Step 2: Convert to fraction form
    40,399,628.40/60,599,442.60 = 20,197,580.40/x
  3. Step 3: Cross multiply
    40,399,628.40x = 60,599,442.60 × 20,197,580.40
  4. Step 4: Simplify right side
    40,399,628.40x = 1,223,962,114,108,685
  5. Step 5: Solve for x
    x = 1,223,962,114,108,685/40,399,628.40
  6. Step 6: Final answer
    x = 30,296,370.60

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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.