Home / 7,222,357.20-10,836,300.60-7,109,000.40

Finding the Fourth Proportional to 7,222,357.20, 10,836,300.60 and 7,109,000.40

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Solution

The fourth proportional to 7,222,357.20, 10,836,300.60 and 7,109,000.40 is: 10,666,222.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,357.20 : 10,836,300.60 = 7,109,000.40 : x
  2. Step 2: Convert to fraction form
    7,222,357.20/10,836,300.60 = 7,109,000.40/x
  3. Step 3: Cross multiply
    7,222,357.20x = 10,836,300.60 × 7,109,000.40
  4. Step 4: Simplify right side
    7,222,357.20x = 77,035,265,299,920.23
  5. Step 5: Solve for x
    x = 77,035,265,299,920.23/7,222,357.20
  6. Step 6: Final answer
    x = 10,666,222.01

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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.