Home / 13,118,249.88-19,658,878.16-6,194,341.76

Finding the Fourth Proportional to 13,118,249.88, 19,658,878.16 and 6,194,341.76

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Solution

The fourth proportional to 13,118,249.88, 19,658,878.16 and 6,194,341.76 is: 9,282,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,249.88 : 19,658,878.16 = 6,194,341.76 : x
  2. Step 2: Convert to fraction form
    13,118,249.88/19,658,878.16 = 6,194,341.76/x
  3. Step 3: Cross multiply
    13,118,249.88x = 19,658,878.16 × 6,194,341.76
  4. Step 4: Simplify right side
    13,118,249.88x = 121,773,809,941,239.95
  5. Step 5: Solve for x
    x = 121,773,809,941,239.95/13,118,249.88
  6. Step 6: Final answer
    x = 9,282,778.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.