Home / 7,223,765.87-9,967,393.36-4,283,039.81

Finding the Fourth Proportional to 7,223,765.87, 9,967,393.36 and 4,283,039.81

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Solution

The fourth proportional to 7,223,765.87, 9,967,393.36 and 4,283,039.81 is: 5,909,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223,765.87 : 9,967,393.36 = 4,283,039.81 : x
  2. Step 2: Convert to fraction form
    7,223,765.87/9,967,393.36 = 4,283,039.81/x
  3. Step 3: Cross multiply
    7,223,765.87x = 9,967,393.36 × 4,283,039.81
  4. Step 4: Simplify right side
    7,223,765.87x = 42,690,742,562,809.66
  5. Step 5: Solve for x
    x = 42,690,742,562,809.66/7,223,765.87
  6. Step 6: Final answer
    x = 5,909,762.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.