Home / 7,762,765.36-10,712,689.41-4,278,229.79

Finding the Fourth Proportional to 7,762,765.36, 10,712,689.41 and 4,278,229.79

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Solution

The fourth proportional to 7,762,765.36, 10,712,689.41 and 4,278,229.79 is: 5,903,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762,765.36 : 10,712,689.41 = 4,278,229.79 : x
  2. Step 2: Convert to fraction form
    7,762,765.36/10,712,689.41 = 4,278,229.79/x
  3. Step 3: Cross multiply
    7,762,765.36x = 10,712,689.41 × 4,278,229.79
  4. Step 4: Simplify right side
    7,762,765.36x = 45,831,346,964,879.52
  5. Step 5: Solve for x
    x = 45,831,346,964,879.52/7,762,765.36
  6. Step 6: Final answer
    x = 5,903,997.46

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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.