Home / 7,472,619.29-11,167,986.88-5,455,111.79

Finding the Fourth Proportional to 7,472,619.29, 11,167,986.88 and 5,455,111.79

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Solution

The fourth proportional to 7,472,619.29, 11,167,986.88 and 5,455,111.79 is: 8,152,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472,619.29 : 11,167,986.88 = 5,455,111.79 : x
  2. Step 2: Convert to fraction form
    7,472,619.29/11,167,986.88 = 5,455,111.79/x
  3. Step 3: Cross multiply
    7,472,619.29x = 11,167,986.88 × 5,455,111.79
  4. Step 4: Simplify right side
    7,472,619.29x = 60,922,616,934,392.17
  5. Step 5: Solve for x
    x = 60,922,616,934,392.17/7,472,619.29
  6. Step 6: Final answer
    x = 8,152,779.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.