Home / 15,961,212.88-22,026,541.03-8,991,974.05

Finding the Fourth Proportional to 15,961,212.88, 22,026,541.03 and 8,991,974.05

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Solution

The fourth proportional to 15,961,212.88, 22,026,541.03 and 8,991,974.05 is: 12,408,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961,212.88 : 22,026,541.03 = 8,991,974.05 : x
  2. Step 2: Convert to fraction form
    15,961,212.88/22,026,541.03 = 8,991,974.05/x
  3. Step 3: Cross multiply
    15,961,212.88x = 22,026,541.03 × 8,991,974.05
  4. Step 4: Simplify right side
    15,961,212.88x = 198,062,085,326,053.81
  5. Step 5: Solve for x
    x = 198,062,085,326,053.81/15,961,212.88
  6. Step 6: Final answer
    x = 12,408,962.08

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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.