Home / 5,716,431.11-7,877,772.86-5,611,360.80

Finding the Fourth Proportional to 5,716,431.11, 7,877,772.86 and 5,611,360.80

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Solution

The fourth proportional to 5,716,431.11, 7,877,772.86 and 5,611,360.80 is: 7,732,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716,431.11 : 7,877,772.86 = 5,611,360.80 : x
  2. Step 2: Convert to fraction form
    5,716,431.11/7,877,772.86 = 5,611,360.80/x
  3. Step 3: Cross multiply
    5,716,431.11x = 7,877,772.86 × 5,611,360.80
  4. Step 4: Simplify right side
    5,716,431.11x = 44,205,025,806,644.16
  5. Step 5: Solve for x
    x = 44,205,025,806,644.16/5,716,431.11
  6. Step 6: Final answer
    x = 7,732,976.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.