Home / 9,929,986.50-13,703,804.70-5,579,081.22

Finding the Fourth Proportional to 9,929,986.50, 13,703,804.70 and 5,579,081.22

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Solution

The fourth proportional to 9,929,986.50, 13,703,804.70 and 5,579,081.22 is: 7,699,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929,986.50 : 13,703,804.70 = 5,579,081.22 : x
  2. Step 2: Convert to fraction form
    9,929,986.50/13,703,804.70 = 5,579,081.22/x
  3. Step 3: Cross multiply
    9,929,986.50x = 13,703,804.70 × 5,579,081.22
  4. Step 4: Simplify right side
    9,929,986.50x = 76,454,639,444,317.72
  5. Step 5: Solve for x
    x = 76,454,639,444,317.72/9,929,986.50
  6. Step 6: Final answer
    x = 7,699,369.93

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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.