Home / 20,714,795.60-31,072,193.40-10,637,099.60

Finding the Fourth Proportional to 20,714,795.60, 31,072,193.40 and 10,637,099.60

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Solution

The fourth proportional to 20,714,795.60, 31,072,193.40 and 10,637,099.60 is: 15,955,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714,795.60 : 31,072,193.40 = 10,637,099.60 : x
  2. Step 2: Convert to fraction form
    20,714,795.60/31,072,193.40 = 10,637,099.60/x
  3. Step 3: Cross multiply
    20,714,795.60x = 31,072,193.40 × 10,637,099.60
  4. Step 4: Simplify right side
    20,714,795.60x = 330,518,015,986,262.62
  5. Step 5: Solve for x
    x = 330,518,015,986,262.62/20,714,795.60
  6. Step 6: Final answer
    x = 15,955,649.40

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Similar ratio
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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.