Home / 37,440,080.40-56,160,120.60-21,259,779.60

Finding the Fourth Proportional to 37,440,080.40, 56,160,120.60 and 21,259,779.60

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Solution

The fourth proportional to 37,440,080.40, 56,160,120.60 and 21,259,779.60 is: 31,889,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,440,080.40 : 56,160,120.60 = 21,259,779.60 : x
  2. Step 2: Convert to fraction form
    37,440,080.40/56,160,120.60 = 21,259,779.60/x
  3. Step 3: Cross multiply
    37,440,080.40x = 56,160,120.60 × 21,259,779.60
  4. Step 4: Simplify right side
    37,440,080.40x = 1,193,951,786,265,420
  5. Step 5: Solve for x
    x = 1,193,951,786,265,420/37,440,080.40
  6. Step 6: Final answer
    x = 31,889,669.40

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Double scale
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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.