Home / 7,485,688.40-11,228,532.60-7,275,736.40

Finding the Fourth Proportional to 7,485,688.40, 11,228,532.60 and 7,275,736.40

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Solution

The fourth proportional to 7,485,688.40, 11,228,532.60 and 7,275,736.40 is: 10,913,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,688.40 : 11,228,532.60 = 7,275,736.40 : x
  2. Step 2: Convert to fraction form
    7,485,688.40/11,228,532.60 = 7,275,736.40/x
  3. Step 3: Cross multiply
    7,485,688.40x = 11,228,532.60 × 7,275,736.40
  4. Step 4: Simplify right side
    7,485,688.40x = 81,695,843,356,406.64
  5. Step 5: Solve for x
    x = 81,695,843,356,406.64/7,485,688.40
  6. Step 6: Final answer
    x = 10,913,604.60

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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.