Home / 20,343,453-28,073,976.48-11,176,686.24

Finding the Fourth Proportional to 20,343,453, 28,073,976.48 and 11,176,686.24

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Solution

The fourth proportional to 20,343,453, 28,073,976.48 and 11,176,686.24 is: 15,423,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343,453 : 28,073,976.48 = 11,176,686.24 : x
  2. Step 2: Convert to fraction form
    20,343,453/28,073,976.48 = 11,176,686.24/x
  3. Step 3: Cross multiply
    20,343,453x = 28,073,976.48 × 11,176,686.24
  4. Step 4: Simplify right side
    20,343,453x = 313,774,026,626,099.62
  5. Step 5: Solve for x
    x = 313,774,026,626,099.62/20,343,453
  6. Step 6: Final answer
    x = 15,423,833.24

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Double scale
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1.5x scale

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.