Home / 15,445,884.96-21,313,912.32-9,165,329.91

Finding the Fourth Proportional to 15,445,884.96, 21,313,912.32 and 9,165,329.91

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Solution

The fourth proportional to 15,445,884.96, 21,313,912.32 and 9,165,329.91 is: 12,647,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445,884.96 : 21,313,912.32 = 9,165,329.91 : x
  2. Step 2: Convert to fraction form
    15,445,884.96/21,313,912.32 = 9,165,329.91/x
  3. Step 3: Cross multiply
    15,445,884.96x = 21,313,912.32 × 9,165,329.91
  4. Step 4: Simplify right side
    15,445,884.96x = 195,349,038,085,613.50
  5. Step 5: Solve for x
    x = 195,349,038,085,613.50/15,445,884.96
  6. Step 6: Final answer
    x = 12,647,319.24

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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.