Home / 13,855,585.33-19,120,377.36-7,744,582.45

Finding the Fourth Proportional to 13,855,585.33, 19,120,377.36 and 7,744,582.45

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Solution

The fourth proportional to 13,855,585.33, 19,120,377.36 and 7,744,582.45 is: 10,687,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,585.33 : 19,120,377.36 = 7,744,582.45 : x
  2. Step 2: Convert to fraction form
    13,855,585.33/19,120,377.36 = 7,744,582.45/x
  3. Step 3: Cross multiply
    13,855,585.33x = 19,120,377.36 × 7,744,582.45
  4. Step 4: Simplify right side
    13,855,585.33x = 148,079,338,939,633.34
  5. Step 5: Solve for x
    x = 148,079,338,939,633.34/13,855,585.33
  6. Step 6: Final answer
    x = 10,687,339.11

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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.