Home / 10,558,645.40-15,822,221.70-8,952,512.60

Finding the Fourth Proportional to 10,558,645.40, 15,822,221.70 and 8,952,512.60

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Solution

The fourth proportional to 10,558,645.40, 15,822,221.70 and 8,952,512.60 is: 13,415,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558,645.40 : 15,822,221.70 = 8,952,512.60 : x
  2. Step 2: Convert to fraction form
    10,558,645.40/15,822,221.70 = 8,952,512.60/x
  3. Step 3: Cross multiply
    10,558,645.40x = 15,822,221.70 × 8,952,512.60
  4. Step 4: Simplify right side
    10,558,645.40x = 141,648,639,129,243.41
  5. Step 5: Solve for x
    x = 141,648,639,129,243.41/10,558,645.40
  6. Step 6: Final answer
    x = 13,415,417.77

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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.