Home / 11,898,929.86-16,414,479.93-7,771,377.22

Finding the Fourth Proportional to 11,898,929.86, 16,414,479.93 and 7,771,377.22

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Solution

The fourth proportional to 11,898,929.86, 16,414,479.93 and 7,771,377.22 is: 10,720,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898,929.86 : 16,414,479.93 = 7,771,377.22 : x
  2. Step 2: Convert to fraction form
    11,898,929.86/16,414,479.93 = 7,771,377.22/x
  3. Step 3: Cross multiply
    11,898,929.86x = 16,414,479.93 × 7,771,377.22
  4. Step 4: Simplify right side
    11,898,929.86x = 127,563,115,406,149.19
  5. Step 5: Solve for x
    x = 127,563,115,406,149.19/11,898,929.86
  6. Step 6: Final answer
    x = 10,720,553.60

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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.