Home / 28,242,974.95-38,972,186.91-15,850,226.00

Finding the Fourth Proportional to 28,242,974.95, 38,972,186.91 and 15,850,226.00

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Solution

The fourth proportional to 28,242,974.95, 38,972,186.91 and 15,850,226.00 is: 21,871,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,974.95 : 38,972,186.91 = 15,850,226.00 : x
  2. Step 2: Convert to fraction form
    28,242,974.95/38,972,186.91 = 15,850,226.00/x
  3. Step 3: Cross multiply
    28,242,974.95x = 38,972,186.91 × 15,850,226.00
  4. Step 4: Simplify right side
    28,242,974.95x = 617,717,970,335,172
  5. Step 5: Solve for x
    x = 617,717,970,335,172/28,242,974.95
  6. Step 6: Final answer
    x = 21,871,561.74

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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.