Home / 38,740,608.32-53,464,465.92-21,336,949.76

Finding the Fourth Proportional to 38,740,608.32, 53,464,465.92 and 21,336,949.76

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Solution

The fourth proportional to 38,740,608.32, 53,464,465.92 and 21,336,949.76 is: 29,446,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740,608.32 : 53,464,465.92 = 21,336,949.76 : x
  2. Step 2: Convert to fraction form
    38,740,608.32/53,464,465.92 = 21,336,949.76/x
  3. Step 3: Cross multiply
    38,740,608.32x = 53,464,465.92 × 21,336,949.76
  4. Step 4: Simplify right side
    38,740,608.32x = 1,140,768,623,280,272.25
  5. Step 5: Solve for x
    x = 1,140,768,623,280,272.25/38,740,608.32
  6. Step 6: Final answer
    x = 29,446,327.06

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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.