Home / 9,431,153.28-13,014,991.65-5,138,801.28

Finding the Fourth Proportional to 9,431,153.28, 13,014,991.65 and 5,138,801.28

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Solution

The fourth proportional to 9,431,153.28, 13,014,991.65 and 5,138,801.28 is: 7,091,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431,153.28 : 13,014,991.65 = 5,138,801.28 : x
  2. Step 2: Convert to fraction form
    9,431,153.28/13,014,991.65 = 5,138,801.28/x
  3. Step 3: Cross multiply
    9,431,153.28x = 13,014,991.65 × 5,138,801.28
  4. Step 4: Simplify right side
    9,431,153.28x = 66,881,455,750,209.32
  5. Step 5: Solve for x
    x = 66,881,455,750,209.32/9,431,153.28
  6. Step 6: Final answer
    x = 7,091,545.83

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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.