Home / 20,735,996.40-31,103,994.60-14,332,719.60

Finding the Fourth Proportional to 20,735,996.40, 31,103,994.60 and 14,332,719.60

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Solution

The fourth proportional to 20,735,996.40, 31,103,994.60 and 14,332,719.60 is: 21,499,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,735,996.40 : 31,103,994.60 = 14,332,719.60 : x
  2. Step 2: Convert to fraction form
    20,735,996.40/31,103,994.60 = 14,332,719.60/x
  3. Step 3: Cross multiply
    20,735,996.40x = 31,103,994.60 × 14,332,719.60
  4. Step 4: Simplify right side
    20,735,996.40x = 445,804,833,041,714.19
  5. Step 5: Solve for x
    x = 445,804,833,041,714.19/20,735,996.40
  6. Step 6: Final answer
    x = 21,499,079.40

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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.