Home / 7,909,353.87-11,864,030.80-7,505,458.71

Finding the Fourth Proportional to 7,909,353.87, 11,864,030.80 and 7,505,458.71

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Solution

The fourth proportional to 7,909,353.87, 11,864,030.80 and 7,505,458.71 is: 11,258,188.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909,353.87 : 11,864,030.80 = 7,505,458.71 : x
  2. Step 2: Convert to fraction form
    7,909,353.87/11,864,030.80 = 7,505,458.71/x
  3. Step 3: Cross multiply
    7,909,353.87x = 11,864,030.80 × 7,505,458.71
  4. Step 4: Simplify right side
    7,909,353.87x = 89,044,993,303,568.27
  5. Step 5: Solve for x
    x = 89,044,993,303,568.27/7,909,353.87
  6. Step 6: Final answer
    x = 11,258,188.06

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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.