Home / 13,208,772.20-19,789,538.70-11,319,204.20

Finding the Fourth Proportional to 13,208,772.20, 19,789,538.70 and 11,319,204.20

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Solution

The fourth proportional to 13,208,772.20, 19,789,538.70 and 11,319,204.20 is: 16,958,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,772.20 : 19,789,538.70 = 11,319,204.20 : x
  2. Step 2: Convert to fraction form
    13,208,772.20/19,789,538.70 = 11,319,204.20/x
  3. Step 3: Cross multiply
    13,208,772.20x = 19,789,538.70 × 11,319,204.20
  4. Step 4: Simplify right side
    13,208,772.20x = 224,001,829,569,102.53
  5. Step 5: Solve for x
    x = 224,001,829,569,102.53/13,208,772.20
  6. Step 6: Final answer
    x = 16,958,565.58

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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.