Home / 15,016,561.50-20,739,962.07-10,179,267.42

Finding the Fourth Proportional to 15,016,561.50, 20,739,962.07 and 10,179,267.42

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Solution

The fourth proportional to 15,016,561.50, 20,739,962.07 and 10,179,267.42 is: 14,058,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,561.50 : 20,739,962.07 = 10,179,267.42 : x
  2. Step 2: Convert to fraction form
    15,016,561.50/20,739,962.07 = 10,179,267.42/x
  3. Step 3: Cross multiply
    15,016,561.50x = 20,739,962.07 × 10,179,267.42
  4. Step 4: Simplify right side
    15,016,561.50x = 211,117,620,191,186.75
  5. Step 5: Solve for x
    x = 211,117,620,191,186.75/15,016,561.50
  6. Step 6: Final answer
    x = 14,058,985.49

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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.