Home / 15,104,197.23-20,838,324.51-9,880,187.28

Finding the Fourth Proportional to 15,104,197.23, 20,838,324.51 and 9,880,187.28

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Solution

The fourth proportional to 15,104,197.23, 20,838,324.51 and 9,880,187.28 is: 13,631,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104,197.23 : 20,838,324.51 = 9,880,187.28 : x
  2. Step 2: Convert to fraction form
    15,104,197.23/20,838,324.51 = 9,880,187.28/x
  3. Step 3: Cross multiply
    15,104,197.23x = 20,838,324.51 × 9,880,187.28
  4. Step 4: Simplify right side
    15,104,197.23x = 205,886,548,760,214.25
  5. Step 5: Solve for x
    x = 205,886,548,760,214.25/15,104,197.23
  6. Step 6: Final answer
    x = 13,631,081.85

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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.