Home / 18,917,830.62-26,106,487.32-10,660,545.31

Finding the Fourth Proportional to 18,917,830.62, 26,106,487.32 and 10,660,545.31

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Solution

The fourth proportional to 18,917,830.62, 26,106,487.32 and 10,660,545.31 is: 14,711,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917,830.62 : 26,106,487.32 = 10,660,545.31 : x
  2. Step 2: Convert to fraction form
    18,917,830.62/26,106,487.32 = 10,660,545.31/x
  3. Step 3: Cross multiply
    18,917,830.62x = 26,106,487.32 × 10,660,545.31
  4. Step 4: Simplify right side
    18,917,830.62x = 278,309,390,959,800.50
  5. Step 5: Solve for x
    x = 278,309,390,959,800.50/18,917,830.62
  6. Step 6: Final answer
    x = 14,711,485.51

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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.