Home / 28,242,324.20-42,369,823.74-9,074,173.16

Finding the Fourth Proportional to 28,242,324.20, 42,369,823.74 and 9,074,173.16

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Solution

The fourth proportional to 28,242,324.20, 42,369,823.74 and 9,074,173.16 is: 13,613,295.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,324.20 : 42,369,823.74 = 9,074,173.16 : x
  2. Step 2: Convert to fraction form
    28,242,324.20/42,369,823.74 = 9,074,173.16/x
  3. Step 3: Cross multiply
    28,242,324.20x = 42,369,823.74 × 9,074,173.16
  4. Step 4: Simplify right side
    28,242,324.20x = 384,471,117,375,438.81
  5. Step 5: Solve for x
    x = 384,471,117,375,438.81/28,242,324.20
  6. Step 6: Final answer
    x = 13,613,295.94

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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.