Home / 7,644,457.42-11,466,709.92-1,887,191.66

Finding the Fourth Proportional to 7,644,457.42, 11,466,709.92 and 1,887,191.66

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Solution

The fourth proportional to 7,644,457.42, 11,466,709.92 and 1,887,191.66 is: 2,830,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644,457.42 : 11,466,709.92 = 1,887,191.66 : x
  2. Step 2: Convert to fraction form
    7,644,457.42/11,466,709.92 = 1,887,191.66/x
  3. Step 3: Cross multiply
    7,644,457.42x = 11,466,709.92 × 1,887,191.66
  4. Step 4: Simplify right side
    7,644,457.42x = 21,639,879,328,663.27
  5. Step 5: Solve for x
    x = 21,639,879,328,663.27/7,644,457.42
  6. Step 6: Final answer
    x = 2,830,793.36

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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.