Home / 38,063,905.32-52,526,781.54-20,659,880.28

Finding the Fourth Proportional to 38,063,905.32, 52,526,781.54 and 20,659,880.28

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Solution

The fourth proportional to 38,063,905.32, 52,526,781.54 and 20,659,880.28 is: 28,509,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,063,905.32 : 52,526,781.54 = 20,659,880.28 : x
  2. Step 2: Convert to fraction form
    38,063,905.32/52,526,781.54 = 20,659,880.28/x
  3. Step 3: Cross multiply
    38,063,905.32x = 52,526,781.54 × 20,659,880.28
  4. Step 4: Simplify right side
    38,063,905.32x = 1,085,197,018,110,114.12
  5. Step 5: Solve for x
    x = 1,085,197,018,110,114.12/38,063,905.32
  6. Step 6: Final answer
    x = 28,509,870.68

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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.