Home / 38,115,812.54-52,599,781.44-20,712,116.24

Finding the Fourth Proportional to 38,115,812.54, 52,599,781.44 and 20,712,116.24

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Solution

The fourth proportional to 38,115,812.54, 52,599,781.44 and 20,712,116.24 is: 28,582,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115,812.54 : 52,599,781.44 = 20,712,116.24 : x
  2. Step 2: Convert to fraction form
    38,115,812.54/52,599,781.44 = 20,712,116.24/x
  3. Step 3: Cross multiply
    38,115,812.54x = 52,599,781.44 × 20,712,116.24
  4. Step 4: Simplify right side
    38,115,812.54x = 1,089,452,787,376,388
  5. Step 5: Solve for x
    x = 1,089,452,787,376,388/38,115,812.54
  6. Step 6: Final answer
    x = 28,582,698.75

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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.