Home / 7,171,108.34-9,895,878.14-3,907,856.48

Finding the Fourth Proportional to 7,171,108.34, 9,895,878.14 and 3,907,856.48

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Solution

The fourth proportional to 7,171,108.34, 9,895,878.14 and 3,907,856.48 is: 5,392,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,108.34 : 9,895,878.14 = 3,907,856.48 : x
  2. Step 2: Convert to fraction form
    7,171,108.34/9,895,878.14 = 3,907,856.48/x
  3. Step 3: Cross multiply
    7,171,108.34x = 9,895,878.14 × 3,907,856.48
  4. Step 4: Simplify right side
    7,171,108.34x = 38,671,671,514,689.35
  5. Step 5: Solve for x
    x = 38,671,671,514,689.35/7,171,108.34
  6. Step 6: Final answer
    x = 5,392,704.96

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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.