Home / 5,357,883.12-7,400,289.24-3,905,248.56

Finding the Fourth Proportional to 5,357,883.12, 7,400,289.24 and 3,905,248.56

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Solution

The fourth proportional to 5,357,883.12, 7,400,289.24 and 3,905,248.56 is: 5,393,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357,883.12 : 7,400,289.24 = 3,905,248.56 : x
  2. Step 2: Convert to fraction form
    5,357,883.12/7,400,289.24 = 3,905,248.56/x
  3. Step 3: Cross multiply
    5,357,883.12x = 7,400,289.24 × 3,905,248.56
  4. Step 4: Simplify right side
    5,357,883.12x = 28,899,968,898,093.50
  5. Step 5: Solve for x
    x = 28,899,968,898,093.50/5,357,883.12
  6. Step 6: Final answer
    x = 5,393,915.52

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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.