Home / 38,827,397.79-53,582,930.46-21,424,863.69

Finding the Fourth Proportional to 38,827,397.79, 53,582,930.46 and 21,424,863.69

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Solution

The fourth proportional to 38,827,397.79, 53,582,930.46 and 21,424,863.69 is: 29,566,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,827,397.79 : 53,582,930.46 = 21,424,863.69 : x
  2. Step 2: Convert to fraction form
    38,827,397.79/53,582,930.46 = 21,424,863.69/x
  3. Step 3: Cross multiply
    38,827,397.79x = 53,582,930.46 × 21,424,863.69
  4. Step 4: Simplify right side
    38,827,397.79x = 1,148,006,981,216,249
  5. Step 5: Solve for x
    x = 1,148,006,981,216,249/38,827,397.79
  6. Step 6: Final answer
    x = 29,566,930.74

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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.