Home / 15,580,928.43-21,502,794.45-8,611,456.05

Finding the Fourth Proportional to 15,580,928.43, 21,502,794.45 and 8,611,456.05

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Solution

The fourth proportional to 15,580,928.43, 21,502,794.45 and 8,611,456.05 is: 11,884,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580,928.43 : 21,502,794.45 = 8,611,456.05 : x
  2. Step 2: Convert to fraction form
    15,580,928.43/21,502,794.45 = 8,611,456.05/x
  3. Step 3: Cross multiply
    15,580,928.43x = 21,502,794.45 × 8,611,456.05
  4. Step 4: Simplify right side
    15,580,928.43x = 185,170,369,358,358.94
  5. Step 5: Solve for x
    x = 185,170,369,358,358.94/15,580,928.43
  6. Step 6: Final answer
    x = 11,884,424.62

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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.