Home / 20,221,018.70-30,331,528.05-6,574,138.70

Finding the Fourth Proportional to 20,221,018.70, 30,331,528.05 and 6,574,138.70

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Solution

The fourth proportional to 20,221,018.70, 30,331,528.05 and 6,574,138.70 is: 9,861,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,221,018.70 : 30,331,528.05 = 6,574,138.70 : x
  2. Step 2: Convert to fraction form
    20,221,018.70/30,331,528.05 = 6,574,138.70/x
  3. Step 3: Cross multiply
    20,221,018.70x = 30,331,528.05 × 6,574,138.70
  4. Step 4: Simplify right side
    20,221,018.70x = 199,403,672,383,640.53
  5. Step 5: Solve for x
    x = 199,403,672,383,640.53/20,221,018.70
  6. Step 6: Final answer
    x = 9,861,208.05

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1.5x scale

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.