Home / 7,981,032.60-11,969,216.10-2,862,869.40

Finding the Fourth Proportional to 7,981,032.60, 11,969,216.10 and 2,862,869.40

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Solution

The fourth proportional to 7,981,032.60, 11,969,216.10 and 2,862,869.40 is: 4,293,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,032.60 : 11,969,216.10 = 2,862,869.40 : x
  2. Step 2: Convert to fraction form
    7,981,032.60/11,969,216.10 = 2,862,869.40/x
  3. Step 3: Cross multiply
    7,981,032.60x = 11,969,216.10 × 2,862,869.40
  4. Step 4: Simplify right side
    7,981,032.60x = 34,266,302,514,677.34
  5. Step 5: Solve for x
    x = 34,266,302,514,677.34/7,981,032.60
  6. Step 6: Final answer
    x = 4,293,467.30

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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.