Home / 11,580,456.48-15,982,946.08-6,425,478.72

Finding the Fourth Proportional to 11,580,456.48, 15,982,946.08 and 6,425,478.72

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Solution

The fourth proportional to 11,580,456.48, 15,982,946.08 and 6,425,478.72 is: 8,868,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580,456.48 : 15,982,946.08 = 6,425,478.72 : x
  2. Step 2: Convert to fraction form
    11,580,456.48/15,982,946.08 = 6,425,478.72/x
  3. Step 3: Cross multiply
    11,580,456.48x = 15,982,946.08 × 6,425,478.72
  4. Step 4: Simplify right side
    11,580,456.48x = 102,698,079,919,947.41
  5. Step 5: Solve for x
    x = 102,698,079,919,947.41/11,580,456.48
  6. Step 6: Final answer
    x = 8,868,223.81

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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.