Home / 13,079,779.76-18,049,425.01-9,984,468.04

Finding the Fourth Proportional to 13,079,779.76, 18,049,425.01 and 9,984,468.04

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Solution

The fourth proportional to 13,079,779.76, 18,049,425.01 and 9,984,468.04 is: 13,778,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,779.76 : 18,049,425.01 = 9,984,468.04 : x
  2. Step 2: Convert to fraction form
    13,079,779.76/18,049,425.01 = 9,984,468.04/x
  3. Step 3: Cross multiply
    13,079,779.76x = 18,049,425.01 × 9,984,468.04
  4. Step 4: Simplify right side
    13,079,779.76x = 180,213,907,082,636.94
  5. Step 5: Solve for x
    x = 180,213,907,082,636.94/13,079,779.76
  6. Step 6: Final answer
    x = 13,778,053.63

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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.