Home / 28,258,696.80-42,388,434-8,063,935.20

Finding the Fourth Proportional to 28,258,696.80, 42,388,434 and 8,063,935.20

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Solution

The fourth proportional to 28,258,696.80, 42,388,434 and 8,063,935.20 is: 12,096,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,258,696.80 : 42,388,434 = 8,063,935.20 : x
  2. Step 2: Convert to fraction form
    28,258,696.80/42,388,434 = 8,063,935.20/x
  3. Step 3: Cross multiply
    28,258,696.80x = 42,388,434 × 8,063,935.20
  4. Step 4: Simplify right side
    28,258,696.80x = 341,817,585,005,476.81
  5. Step 5: Solve for x
    x = 341,817,585,005,476.81/28,258,696.80
  6. Step 6: Final answer
    x = 12,096,013.75

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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.