Home / 15,580,916.77-21,502,778.44-8,611,444.40

Finding the Fourth Proportional to 15,580,916.77, 21,502,778.44 and 8,611,444.40

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Solution

The fourth proportional to 15,580,916.77, 21,502,778.44 and 8,611,444.40 is: 11,884,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580,916.77 : 21,502,778.44 = 8,611,444.40 : x
  2. Step 2: Convert to fraction form
    15,580,916.77/21,502,778.44 = 8,611,444.40/x
  3. Step 3: Cross multiply
    15,580,916.77x = 21,502,778.44 × 8,611,444.40
  4. Step 4: Simplify right side
    15,580,916.77x = 185,169,981,037,996.09
  5. Step 5: Solve for x
    x = 185,169,981,037,996.09/15,580,916.77
  6. Step 6: Final answer
    x = 11,884,408.58

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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.