Home / 13,889,575.40-20,804,871.90-11,530,279.40

Finding the Fourth Proportional to 13,889,575.40, 20,804,871.90 and 11,530,279.40

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Solution

The fourth proportional to 13,889,575.40, 20,804,871.90 and 11,530,279.40 is: 17,270,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,575.40 : 20,804,871.90 = 11,530,279.40 : x
  2. Step 2: Convert to fraction form
    13,889,575.40/20,804,871.90 = 11,530,279.40/x
  3. Step 3: Cross multiply
    13,889,575.40x = 20,804,871.90 × 11,530,279.40
  4. Step 4: Simplify right side
    13,889,575.40x = 239,885,985,888,208.84
  5. Step 5: Solve for x
    x = 239,885,985,888,208.84/13,889,575.40
  6. Step 6: Final answer
    x = 17,270,937.30

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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.