Home / 12,109,924.73-16,698,120.34-9,897,924.62

Finding the Fourth Proportional to 12,109,924.73, 16,698,120.34 and 9,897,924.62

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Solution

The fourth proportional to 12,109,924.73, 16,698,120.34 and 9,897,924.62 is: 13,648,039.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,924.73 : 16,698,120.34 = 9,897,924.62 : x
  2. Step 2: Convert to fraction form
    12,109,924.73/16,698,120.34 = 9,897,924.62/x
  3. Step 3: Cross multiply
    12,109,924.73x = 16,698,120.34 × 9,897,924.62
  4. Step 4: Simplify right side
    12,109,924.73x = 165,276,736,421,008.75
  5. Step 5: Solve for x
    x = 165,276,736,421,008.75/12,109,924.73
  6. Step 6: Final answer
    x = 13,648,039.94

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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.