Home / 9,742,435.20-13,444,228.80-5,391,704.88

Finding the Fourth Proportional to 9,742,435.20, 13,444,228.80 and 5,391,704.88

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Solution

The fourth proportional to 9,742,435.20, 13,444,228.80 and 5,391,704.88 is: 7,440,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742,435.20 : 13,444,228.80 = 5,391,704.88 : x
  2. Step 2: Convert to fraction form
    9,742,435.20/13,444,228.80 = 5,391,704.88/x
  3. Step 3: Cross multiply
    9,742,435.20x = 13,444,228.80 × 5,391,704.88
  4. Step 4: Simplify right side
    9,742,435.20x = 72,487,314,028,796.55
  5. Step 5: Solve for x
    x = 72,487,314,028,796.55/9,742,435.20
  6. Step 6: Final answer
    x = 7,440,369.12

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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.