Home / 18,876,355.62-26,051,582.25-10,728,818.34

Finding the Fourth Proportional to 18,876,355.62, 26,051,582.25 and 10,728,818.34

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Solution

The fourth proportional to 18,876,355.62, 26,051,582.25 and 10,728,818.34 is: 14,807,026.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876,355.62 : 26,051,582.25 = 10,728,818.34 : x
  2. Step 2: Convert to fraction form
    18,876,355.62/26,051,582.25 = 10,728,818.34/x
  3. Step 3: Cross multiply
    18,876,355.62x = 26,051,582.25 × 10,728,818.34
  4. Step 4: Simplify right side
    18,876,355.62x = 279,502,693,429,818.47
  5. Step 5: Solve for x
    x = 279,502,693,429,818.47/18,876,355.62
  6. Step 6: Final answer
    x = 14,807,026.26

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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.