Home / 15,251,025.19-21,038,632.60-9,738,604.21

Finding the Fourth Proportional to 15,251,025.19, 21,038,632.60 and 9,738,604.21

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Solution

The fourth proportional to 15,251,025.19, 21,038,632.60 and 9,738,604.21 is: 13,434,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,025.19 : 21,038,632.60 = 9,738,604.21 : x
  2. Step 2: Convert to fraction form
    15,251,025.19/21,038,632.60 = 9,738,604.21/x
  3. Step 3: Cross multiply
    15,251,025.19x = 21,038,632.60 × 9,738,604.21
  4. Step 4: Simplify right side
    15,251,025.19x = 204,886,916,011,003.28
  5. Step 5: Solve for x
    x = 204,886,916,011,003.28/15,251,025.19
  6. Step 6: Final answer
    x = 13,434,304.48

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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.