Home / 28,000,628.70-42,000,943.05-25,130,847.30

Finding the Fourth Proportional to 28,000,628.70, 42,000,943.05 and 25,130,847.30

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Solution

The fourth proportional to 28,000,628.70, 42,000,943.05 and 25,130,847.30 is: 37,696,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000,628.70 : 42,000,943.05 = 25,130,847.30 : x
  2. Step 2: Convert to fraction form
    28,000,628.70/42,000,943.05 = 25,130,847.30/x
  3. Step 3: Cross multiply
    28,000,628.70x = 42,000,943.05 × 25,130,847.30
  4. Step 4: Simplify right side
    28,000,628.70x = 1,055,519,286,245,546.25
  5. Step 5: Solve for x
    x = 1,055,519,286,245,546.25/28,000,628.70
  6. Step 6: Final answer
    x = 37,696,270.95

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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.