Home / 18,528,037.20-27,792,055.80-5,064,865.20

Finding the Fourth Proportional to 18,528,037.20, 27,792,055.80 and 5,064,865.20

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Solution

The fourth proportional to 18,528,037.20, 27,792,055.80 and 5,064,865.20 is: 7,597,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,037.20 : 27,792,055.80 = 5,064,865.20 : x
  2. Step 2: Convert to fraction form
    18,528,037.20/27,792,055.80 = 5,064,865.20/x
  3. Step 3: Cross multiply
    18,528,037.20x = 27,792,055.80 × 5,064,865.20
  4. Step 4: Simplify right side
    18,528,037.20x = 140,763,016,257,878.16
  5. Step 5: Solve for x
    x = 140,763,016,257,878.16/18,528,037.20
  6. Step 6: Final answer
    x = 7,597,297.80

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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.