Home / 13,117,745.85-18,102,514.14-7,316,903.31

Finding the Fourth Proportional to 13,117,745.85, 18,102,514.14 and 7,316,903.31

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Solution

The fourth proportional to 13,117,745.85, 18,102,514.14 and 7,316,903.31 is: 10,097,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,745.85 : 18,102,514.14 = 7,316,903.31 : x
  2. Step 2: Convert to fraction form
    13,117,745.85/18,102,514.14 = 7,316,903.31/x
  3. Step 3: Cross multiply
    13,117,745.85x = 18,102,514.14 × 7,316,903.31
  4. Step 4: Simplify right side
    13,117,745.85x = 132,454,345,630,287.80
  5. Step 5: Solve for x
    x = 132,454,345,630,287.80/13,117,745.85
  6. Step 6: Final answer
    x = 10,097,340.44

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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.