Home / 15,019,443.52-20,727,239.61-8,494,048.78

Finding the Fourth Proportional to 15,019,443.52, 20,727,239.61 and 8,494,048.78

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Solution

The fourth proportional to 15,019,443.52, 20,727,239.61 and 8,494,048.78 is: 11,722,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019,443.52 : 20,727,239.61 = 8,494,048.78 : x
  2. Step 2: Convert to fraction form
    15,019,443.52/20,727,239.61 = 8,494,048.78/x
  3. Step 3: Cross multiply
    15,019,443.52x = 20,727,239.61 × 8,494,048.78
  4. Step 4: Simplify right side
    15,019,443.52x = 176,058,184,322,088.16
  5. Step 5: Solve for x
    x = 176,058,184,322,088.16/15,019,443.52
  6. Step 6: Final answer
    x = 11,722,017.80

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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.