Home / 14,599,699.81-21,912,712.72-7,781,951.48

Finding the Fourth Proportional to 14,599,699.81, 21,912,712.72 and 7,781,951.48

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Solution

The fourth proportional to 14,599,699.81, 21,912,712.72 and 7,781,951.48 is: 11,679,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599,699.81 : 21,912,712.72 = 7,781,951.48 : x
  2. Step 2: Convert to fraction form
    14,599,699.81/21,912,712.72 = 7,781,951.48/x
  3. Step 3: Cross multiply
    14,599,699.81x = 21,912,712.72 × 7,781,951.48
  4. Step 4: Simplify right side
    14,599,699.81x = 170,523,667,053,200.38
  5. Step 5: Solve for x
    x = 170,523,667,053,200.38/14,599,699.81
  6. Step 6: Final answer
    x = 11,679,943.38

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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.