Home / 14,156,769.66-21,131,804.65-12,147,922.68

Finding the Fourth Proportional to 14,156,769.66, 21,131,804.65 and 12,147,922.68

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Solution

The fourth proportional to 14,156,769.66, 21,131,804.65 and 12,147,922.68 is: 18,133,199.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,769.66 : 21,131,804.65 = 12,147,922.68 : x
  2. Step 2: Convert to fraction form
    14,156,769.66/21,131,804.65 = 12,147,922.68/x
  3. Step 3: Cross multiply
    14,156,769.66x = 21,131,804.65 × 12,147,922.68
  4. Step 4: Simplify right side
    14,156,769.66x = 256,707,528,977,064.44
  5. Step 5: Solve for x
    x = 256,707,528,977,064.44/14,156,769.66
  6. Step 6: Final answer
    x = 18,133,199.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.