Home / 14,418,530.88-21,603,912-10,137,784.48

Finding the Fourth Proportional to 14,418,530.88, 21,603,912 and 10,137,784.48

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Solution

The fourth proportional to 14,418,530.88, 21,603,912 and 10,137,784.48 is: 15,189,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418,530.88 : 21,603,912 = 10,137,784.48 : x
  2. Step 2: Convert to fraction form
    14,418,530.88/21,603,912 = 10,137,784.48/x
  3. Step 3: Cross multiply
    14,418,530.88x = 21,603,912 × 10,137,784.48
  4. Step 4: Simplify right side
    14,418,530.88x = 219,015,803,780,885.78
  5. Step 5: Solve for x
    x = 219,015,803,780,885.78/14,418,530.88
  6. Step 6: Final answer
    x = 15,189,883.46

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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.