Home / 15,232,143.82-21,020,356.91-8,616,590.94

Finding the Fourth Proportional to 15,232,143.82, 21,020,356.91 and 8,616,590.94

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Solution

The fourth proportional to 15,232,143.82, 21,020,356.91 and 8,616,590.94 is: 11,890,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232,143.82 : 21,020,356.91 = 8,616,590.94 : x
  2. Step 2: Convert to fraction form
    15,232,143.82/21,020,356.91 = 8,616,590.94/x
  3. Step 3: Cross multiply
    15,232,143.82x = 21,020,356.91 × 8,616,590.94
  4. Step 4: Simplify right side
    15,232,143.82x = 181,123,816,906,272.38
  5. Step 5: Solve for x
    x = 181,123,816,906,272.38/15,232,143.82
  6. Step 6: Final answer
    x = 11,890,894.61

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1.5x scale

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.