Home / 13,286,272.66-18,335,444.87-7,779,132.26

Finding the Fourth Proportional to 13,286,272.66, 18,335,444.87 and 7,779,132.26

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Solution

The fourth proportional to 13,286,272.66, 18,335,444.87 and 7,779,132.26 is: 10,735,430.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,272.66 : 18,335,444.87 = 7,779,132.26 : x
  2. Step 2: Convert to fraction form
    13,286,272.66/18,335,444.87 = 7,779,132.26/x
  3. Step 3: Cross multiply
    13,286,272.66x = 18,335,444.87 × 7,779,132.26
  4. Step 4: Simplify right side
    13,286,272.66x = 142,633,850,689,668.50
  5. Step 5: Solve for x
    x = 142,633,850,689,668.50/13,286,272.66
  6. Step 6: Final answer
    x = 10,735,430.04

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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.