Home / 13,757,918.60-20,638,870.79-5,121,301.16

Finding the Fourth Proportional to 13,757,918.60, 20,638,870.79 and 5,121,301.16

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Solution

The fourth proportional to 13,757,918.60, 20,638,870.79 and 5,121,301.16 is: 7,682,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757,918.60 : 20,638,870.79 = 5,121,301.16 : x
  2. Step 2: Convert to fraction form
    13,757,918.60/20,638,870.79 = 5,121,301.16/x
  3. Step 3: Cross multiply
    13,757,918.60x = 20,638,870.79 × 5,121,301.16
  4. Step 4: Simplify right side
    13,757,918.60x = 105,697,872,789,116.27
  5. Step 5: Solve for x
    x = 105,697,872,789,116.27/13,757,918.60
  6. Step 6: Final answer
    x = 7,682,693.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.