Home / 15,978,058.80-23,967,088.20-13,320,853.80

Finding the Fourth Proportional to 15,978,058.80, 23,967,088.20 and 13,320,853.80

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Solution

The fourth proportional to 15,978,058.80, 23,967,088.20 and 13,320,853.80 is: 19,981,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978,058.80 : 23,967,088.20 = 13,320,853.80 : x
  2. Step 2: Convert to fraction form
    15,978,058.80/23,967,088.20 = 13,320,853.80/x
  3. Step 3: Cross multiply
    15,978,058.80x = 23,967,088.20 × 13,320,853.80
  4. Step 4: Simplify right side
    15,978,058.80x = 319,262,077,923,905.19
  5. Step 5: Solve for x
    x = 319,262,077,923,905.19/15,978,058.80
  6. Step 6: Final answer
    x = 19,981,280.70

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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.