Home / 31,041,851.28-46,582,706.04-20,818,255.05

Finding the Fourth Proportional to 31,041,851.28, 46,582,706.04 and 20,818,255.05

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Solution

The fourth proportional to 31,041,851.28, 46,582,706.04 and 20,818,255.05 is: 31,240,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,041,851.28 : 46,582,706.04 = 20,818,255.05 : x
  2. Step 2: Convert to fraction form
    31,041,851.28/46,582,706.04 = 20,818,255.05/x
  3. Step 3: Cross multiply
    31,041,851.28x = 46,582,706.04 × 20,818,255.05
  4. Step 4: Simplify right side
    31,041,851.28x = 969,770,655,259,895.50
  5. Step 5: Solve for x
    x = 969,770,655,259,895.50/31,041,851.28
  6. Step 6: Final answer
    x = 31,240,748.06

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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.