Home / 14,021,789.88-20,908,975.53-13,522,235.34

Finding the Fourth Proportional to 14,021,789.88, 20,908,975.53 and 13,522,235.34

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Solution

The fourth proportional to 14,021,789.88, 20,908,975.53 and 13,522,235.34 is: 20,164,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021,789.88 : 20,908,975.53 = 13,522,235.34 : x
  2. Step 2: Convert to fraction form
    14,021,789.88/20,908,975.53 = 13,522,235.34/x
  3. Step 3: Cross multiply
    14,021,789.88x = 20,908,975.53 × 13,522,235.34
  4. Step 4: Simplify right side
    14,021,789.88x = 282,736,087,834,961.25
  5. Step 5: Solve for x
    x = 282,736,087,834,961.25/14,021,789.88
  6. Step 6: Final answer
    x = 20,164,051.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.