Home / 7,716,352.60-10,648,047.54-4,278,466.36

Finding the Fourth Proportional to 7,716,352.60, 10,648,047.54 and 4,278,466.36

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Solution

The fourth proportional to 7,716,352.60, 10,648,047.54 and 4,278,466.36 is: 5,903,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716,352.60 : 10,648,047.54 = 4,278,466.36 : x
  2. Step 2: Convert to fraction form
    7,716,352.60/10,648,047.54 = 4,278,466.36/x
  3. Step 3: Cross multiply
    7,716,352.60x = 10,648,047.54 × 4,278,466.36
  4. Step 4: Simplify right side
    7,716,352.60x = 45,557,313,199,570.76
  5. Step 5: Solve for x
    x = 45,557,313,199,570.76/7,716,352.60
  6. Step 6: Final answer
    x = 5,903,995.78

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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.