Home / 38,180,940.30-52,690,331.79-20,778,019.02

Finding the Fourth Proportional to 38,180,940.30, 52,690,331.79 and 20,778,019.02

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Solution

The fourth proportional to 38,180,940.30, 52,690,331.79 and 20,778,019.02 is: 28,674,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180,940.30 : 52,690,331.79 = 20,778,019.02 : x
  2. Step 2: Convert to fraction form
    38,180,940.30/52,690,331.79 = 20,778,019.02/x
  3. Step 3: Cross multiply
    38,180,940.30x = 52,690,331.79 × 20,778,019.02
  4. Step 4: Simplify right side
    38,180,940.30x = 1,094,800,716,102,730.62
  5. Step 5: Solve for x
    x = 1,094,800,716,102,730.62/38,180,940.30
  6. Step 6: Final answer
    x = 28,674,011.37

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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.