Home / 12,302,051.10-18,453,076.65-5,478,611.10

Finding the Fourth Proportional to 12,302,051.10, 18,453,076.65 and 5,478,611.10

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Solution

The fourth proportional to 12,302,051.10, 18,453,076.65 and 5,478,611.10 is: 8,217,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,051.10 : 18,453,076.65 = 5,478,611.10 : x
  2. Step 2: Convert to fraction form
    12,302,051.10/18,453,076.65 = 5,478,611.10/x
  3. Step 3: Cross multiply
    12,302,051.10x = 18,453,076.65 × 5,478,611.10
  4. Step 4: Simplify right side
    12,302,051.10x = 101,097,230,563,840.80
  5. Step 5: Solve for x
    x = 101,097,230,563,840.80/12,302,051.10
  6. Step 6: Final answer
    x = 8,217,916.65

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Similar ratio
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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.