Home / 5,448,318.42-7,518,679.02-3,157,807.68

Finding the Fourth Proportional to 5,448,318.42, 7,518,679.02 and 3,157,807.68

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Solution

The fourth proportional to 5,448,318.42, 7,518,679.02 and 3,157,807.68 is: 4,357,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448,318.42 : 7,518,679.02 = 3,157,807.68 : x
  2. Step 2: Convert to fraction form
    5,448,318.42/7,518,679.02 = 3,157,807.68/x
  3. Step 3: Cross multiply
    5,448,318.42x = 7,518,679.02 × 3,157,807.68
  4. Step 4: Simplify right side
    5,448,318.42x = 23,742,542,352,810.88
  5. Step 5: Solve for x
    x = 23,742,542,352,810.88/5,448,318.42
  6. Step 6: Final answer
    x = 4,357,774.37

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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.