Home / 20,209,070.16-30,313,167.56-5,635,600.81

Finding the Fourth Proportional to 20,209,070.16, 30,313,167.56 and 5,635,600.81

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Solution

The fourth proportional to 20,209,070.16, 30,313,167.56 and 5,635,600.81 is: 8,453,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,209,070.16 : 30,313,167.56 = 5,635,600.81 : x
  2. Step 2: Convert to fraction form
    20,209,070.16/30,313,167.56 = 5,635,600.81/x
  3. Step 3: Cross multiply
    20,209,070.16x = 30,313,167.56 × 5,635,600.81
  4. Step 4: Simplify right side
    20,209,070.16x = 170,832,911,593,107.81
  5. Step 5: Solve for x
    x = 170,832,911,593,107.81/20,209,070.16
  6. Step 6: Final answer
    x = 8,453,279.16

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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.