Home / 18,270,780.24-27,407,431.53-5,317,038.30

Finding the Fourth Proportional to 18,270,780.24, 27,407,431.53 and 5,317,038.30

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Solution

The fourth proportional to 18,270,780.24, 27,407,431.53 and 5,317,038.30 is: 7,975,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270,780.24 : 27,407,431.53 = 5,317,038.30 : x
  2. Step 2: Convert to fraction form
    18,270,780.24/27,407,431.53 = 5,317,038.30/x
  3. Step 3: Cross multiply
    18,270,780.24x = 27,407,431.53 × 5,317,038.30
  4. Step 4: Simplify right side
    18,270,780.24x = 145,726,363,149,637.59
  5. Step 5: Solve for x
    x = 145,726,363,149,637.59/18,270,780.24
  6. Step 6: Final answer
    x = 7,975,924.47

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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.