Home / 14,077,083.89-21,115,696.14-4,979,189.86

Finding the Fourth Proportional to 14,077,083.89, 21,115,696.14 and 4,979,189.86

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Solution

The fourth proportional to 14,077,083.89, 21,115,696.14 and 4,979,189.86 is: 7,468,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077,083.89 : 21,115,696.14 = 4,979,189.86 : x
  2. Step 2: Convert to fraction form
    14,077,083.89/21,115,696.14 = 4,979,189.86/x
  3. Step 3: Cross multiply
    14,077,083.89x = 21,115,696.14 × 4,979,189.86
  4. Step 4: Simplify right side
    14,077,083.89x = 105,139,060,107,129.16
  5. Step 5: Solve for x
    x = 105,139,060,107,129.16/14,077,083.89
  6. Step 6: Final answer
    x = 7,468,809.66

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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.