Home / 13,388,330.59-18,476,285.93-7,586,919.43

Finding the Fourth Proportional to 13,388,330.59, 18,476,285.93 and 7,586,919.43

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Solution

The fourth proportional to 13,388,330.59, 18,476,285.93 and 7,586,919.43 is: 10,470,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,330.59 : 18,476,285.93 = 7,586,919.43 : x
  2. Step 2: Convert to fraction form
    13,388,330.59/18,476,285.93 = 7,586,919.43/x
  3. Step 3: Cross multiply
    13,388,330.59x = 18,476,285.93 × 7,586,919.43
  4. Step 4: Simplify right side
    13,388,330.59x = 140,178,092,689,329.22
  5. Step 5: Solve for x
    x = 140,178,092,689,329.22/13,388,330.59
  6. Step 6: Final answer
    x = 10,470,169.66

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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.