Home / 14,487,772.23-19,988,765.76-8,684,436.51

Finding the Fourth Proportional to 14,487,772.23, 19,988,765.76 and 8,684,436.51

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Solution

The fourth proportional to 14,487,772.23, 19,988,765.76 and 8,684,436.51 is: 11,981,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,772.23 : 19,988,765.76 = 8,684,436.51 : x
  2. Step 2: Convert to fraction form
    14,487,772.23/19,988,765.76 = 8,684,436.51/x
  3. Step 3: Cross multiply
    14,487,772.23x = 19,988,765.76 × 8,684,436.51
  4. Step 4: Simplify right side
    14,487,772.23x = 173,591,167,155,981.91
  5. Step 5: Solve for x
    x = 173,591,167,155,981.91/14,487,772.23
  6. Step 6: Final answer
    x = 11,981,908.91

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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.