Home / 15,526,579.43-21,426,767.39-9,004,081.57

Finding the Fourth Proportional to 15,526,579.43, 21,426,767.39 and 9,004,081.57

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Solution

The fourth proportional to 15,526,579.43, 21,426,767.39 and 9,004,081.57 is: 12,425,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,526,579.43 : 21,426,767.39 = 9,004,081.57 : x
  2. Step 2: Convert to fraction form
    15,526,579.43/21,426,767.39 = 9,004,081.57/x
  3. Step 3: Cross multiply
    15,526,579.43x = 21,426,767.39 × 9,004,081.57
  4. Step 4: Simplify right side
    15,526,579.43x = 192,928,361,208,821.75
  5. Step 5: Solve for x
    x = 192,928,361,208,821.75/15,526,579.43
  6. Step 6: Final answer
    x = 12,425,683.46

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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.