Home / 7,209,736.28-10,822,077.81-4,830,209.20

Finding the Fourth Proportional to 7,209,736.28, 10,822,077.81 and 4,830,209.20

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Solution

The fourth proportional to 7,209,736.28, 10,822,077.81 and 4,830,209.20 is: 7,250,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,736.28 : 10,822,077.81 = 4,830,209.20 : x
  2. Step 2: Convert to fraction form
    7,209,736.28/10,822,077.81 = 4,830,209.20/x
  3. Step 3: Cross multiply
    7,209,736.28x = 10,822,077.81 × 4,830,209.20
  4. Step 4: Simplify right side
    7,209,736.28x = 52,272,899,800,977.86
  5. Step 5: Solve for x
    x = 52,272,899,800,977.86/7,209,736.28
  6. Step 6: Final answer
    x = 7,250,320.65

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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.