Home / 12,194,412.86-18,275,673.54-4,997,520.74

Finding the Fourth Proportional to 12,194,412.86, 18,275,673.54 and 4,997,520.74

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Solution

The fourth proportional to 12,194,412.86, 18,275,673.54 and 4,997,520.74 is: 7,489,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194,412.86 : 18,275,673.54 = 4,997,520.74 : x
  2. Step 2: Convert to fraction form
    12,194,412.86/18,275,673.54 = 4,997,520.74/x
  3. Step 3: Cross multiply
    12,194,412.86x = 18,275,673.54 × 4,997,520.74
  4. Step 4: Simplify right side
    12,194,412.86x = 91,333,057,553,619.22
  5. Step 5: Solve for x
    x = 91,333,057,553,619.22/12,194,412.86
  6. Step 6: Final answer
    x = 7,489,746.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.