Home / 12,126,411.66-18,173,821.41-4,929,538.62

Finding the Fourth Proportional to 12,126,411.66, 18,173,821.41 and 4,929,538.62

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Solution

The fourth proportional to 12,126,411.66, 18,173,821.41 and 4,929,538.62 is: 7,387,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,411.66 : 18,173,821.41 = 4,929,538.62 : x
  2. Step 2: Convert to fraction form
    12,126,411.66/18,173,821.41 = 4,929,538.62/x
  3. Step 3: Cross multiply
    12,126,411.66x = 18,173,821.41 × 4,929,538.62
  4. Step 4: Simplify right side
    12,126,411.66x = 89,588,554,513,577.86
  5. Step 5: Solve for x
    x = 89,588,554,513,577.86/12,126,411.66
  6. Step 6: Final answer
    x = 7,387,886.63

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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.