Home / 15,552,085.70-23,328,128.55-11,720,072.90

Finding the Fourth Proportional to 15,552,085.70, 23,328,128.55 and 11,720,072.90

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Solution

The fourth proportional to 15,552,085.70, 23,328,128.55 and 11,720,072.90 is: 17,580,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,085.70 : 23,328,128.55 = 11,720,072.90 : x
  2. Step 2: Convert to fraction form
    15,552,085.70/23,328,128.55 = 11,720,072.90/x
  3. Step 3: Cross multiply
    15,552,085.70x = 23,328,128.55 × 11,720,072.90
  4. Step 4: Simplify right side
    15,552,085.70x = 273,407,367,226,571.31
  5. Step 5: Solve for x
    x = 273,407,367,226,571.31/15,552,085.70
  6. Step 6: Final answer
    x = 17,580,109.35

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1.5x scale

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.