Home / 7,208,283.48-9,947,457.56-3,900,577.73

Finding the Fourth Proportional to 7,208,283.48, 9,947,457.56 and 3,900,577.73

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Solution

The fourth proportional to 7,208,283.48, 9,947,457.56 and 3,900,577.73 is: 5,382,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,283.48 : 9,947,457.56 = 3,900,577.73 : x
  2. Step 2: Convert to fraction form
    7,208,283.48/9,947,457.56 = 3,900,577.73/x
  3. Step 3: Cross multiply
    7,208,283.48x = 9,947,457.56 × 3,900,577.73
  4. Step 4: Simplify right side
    7,208,283.48x = 38,800,831,359,415.96
  5. Step 5: Solve for x
    x = 38,800,831,359,415.96/7,208,283.48
  6. Step 6: Final answer
    x = 5,382,811.52

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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.