Home / 21,919,435.44-30,248,076.24-12,130,292.40

Finding the Fourth Proportional to 21,919,435.44, 30,248,076.24 and 12,130,292.40

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Solution

The fourth proportional to 21,919,435.44, 30,248,076.24 and 12,130,292.40 is: 16,739,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919,435.44 : 30,248,076.24 = 12,130,292.40 : x
  2. Step 2: Convert to fraction form
    21,919,435.44/30,248,076.24 = 12,130,292.40/x
  3. Step 3: Cross multiply
    21,919,435.44x = 30,248,076.24 × 12,130,292.40
  4. Step 4: Simplify right side
    21,919,435.44x = 366,918,009,328,692.56
  5. Step 5: Solve for x
    x = 366,918,009,328,692.56/21,919,435.44
  6. Step 6: Final answer
    x = 16,739,391.41

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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.