Home / 43,720,497.45-65,580,746.18-20,995,915.05

Finding the Fourth Proportional to 43,720,497.45, 65,580,746.18 and 20,995,915.05

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Solution

The fourth proportional to 43,720,497.45, 65,580,746.18 and 20,995,915.05 is: 31,493,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720,497.45 : 65,580,746.18 = 20,995,915.05 : x
  2. Step 2: Convert to fraction form
    43,720,497.45/65,580,746.18 = 20,995,915.05/x
  3. Step 3: Cross multiply
    43,720,497.45x = 65,580,746.18 × 20,995,915.05
  4. Step 4: Simplify right side
    43,720,497.45x = 1,376,927,775,605,912.50
  5. Step 5: Solve for x
    x = 1,376,927,775,605,912.50/43,720,497.45
  6. Step 6: Final answer
    x = 31,493,872.58

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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.