Home / 18,574,913.40-27,862,370.10-9,965,569.20

Finding the Fourth Proportional to 18,574,913.40, 27,862,370.10 and 9,965,569.20

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Solution

The fourth proportional to 18,574,913.40, 27,862,370.10 and 9,965,569.20 is: 14,948,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574,913.40 : 27,862,370.10 = 9,965,569.20 : x
  2. Step 2: Convert to fraction form
    18,574,913.40/27,862,370.10 = 9,965,569.20/x
  3. Step 3: Cross multiply
    18,574,913.40x = 27,862,370.10 × 9,965,569.20
  4. Step 4: Simplify right side
    18,574,913.40x = 277,664,377,307,560.91
  5. Step 5: Solve for x
    x = 277,664,377,307,560.91/18,574,913.40
  6. Step 6: Final answer
    x = 14,948,353.80

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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.