Home / 13,464,342.24-18,578,291.04-7,662,779.04

Finding the Fourth Proportional to 13,464,342.24, 18,578,291.04 and 7,662,779.04

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Solution

The fourth proportional to 13,464,342.24, 18,578,291.04 and 7,662,779.04 is: 10,573,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464,342.24 : 18,578,291.04 = 7,662,779.04 : x
  2. Step 2: Convert to fraction form
    13,464,342.24/18,578,291.04 = 7,662,779.04/x
  3. Step 3: Cross multiply
    13,464,342.24x = 18,578,291.04 × 7,662,779.04
  4. Step 4: Simplify right side
    13,464,342.24x = 142,361,339,180,331.78
  5. Step 5: Solve for x
    x = 142,361,339,180,331.78/13,464,342.24
  6. Step 6: Final answer
    x = 10,573,211.57

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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.