Home / 28,207,058.70-42,310,588.05-9,039,753.30

Finding the Fourth Proportional to 28,207,058.70, 42,310,588.05 and 9,039,753.30

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Solution

The fourth proportional to 28,207,058.70, 42,310,588.05 and 9,039,753.30 is: 13,559,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,207,058.70 : 42,310,588.05 = 9,039,753.30 : x
  2. Step 2: Convert to fraction form
    28,207,058.70/42,310,588.05 = 9,039,753.30/x
  3. Step 3: Cross multiply
    28,207,058.70x = 42,310,588.05 × 9,039,753.30
  4. Step 4: Simplify right side
    28,207,058.70x = 382,477,277,949,928.06
  5. Step 5: Solve for x
    x = 382,477,277,949,928.06/28,207,058.70
  6. Step 6: Final answer
    x = 13,559,629.95

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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.