Home / 7,222,426.20-10,836,404.10-7,109,069.40

Finding the Fourth Proportional to 7,222,426.20, 10,836,404.10 and 7,109,069.40

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Solution

The fourth proportional to 7,222,426.20, 10,836,404.10 and 7,109,069.40 is: 10,666,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,426.20 : 10,836,404.10 = 7,109,069.40 : x
  2. Step 2: Convert to fraction form
    7,222,426.20/10,836,404.10 = 7,109,069.40/x
  3. Step 3: Cross multiply
    7,222,426.20x = 10,836,404.10 × 7,109,069.40
  4. Step 4: Simplify right side
    7,222,426.20x = 77,036,748,793,344.55
  5. Step 5: Solve for x
    x = 77,036,748,793,344.55/7,222,426.20
  6. Step 6: Final answer
    x = 10,666,325.51

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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.