Home / 20,301,683.60-30,452,525.40-15,518,714.60

Finding the Fourth Proportional to 20,301,683.60, 30,452,525.40 and 15,518,714.60

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Solution

The fourth proportional to 20,301,683.60, 30,452,525.40 and 15,518,714.60 is: 23,278,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301,683.60 : 30,452,525.40 = 15,518,714.60 : x
  2. Step 2: Convert to fraction form
    20,301,683.60/30,452,525.40 = 15,518,714.60/x
  3. Step 3: Cross multiply
    20,301,683.60x = 30,452,525.40 × 15,518,714.60
  4. Step 4: Simplify right side
    20,301,683.60x = 472,584,050,531,850.81
  5. Step 5: Solve for x
    x = 472,584,050,531,850.81/20,301,683.60
  6. Step 6: Final answer
    x = 23,278,071.90

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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.