Home / 8,409,352.17-12,567,941.78-6,139,656.22

Finding the Fourth Proportional to 8,409,352.17, 12,567,941.78 and 6,139,656.22

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Solution

The fourth proportional to 8,409,352.17, 12,567,941.78 and 6,139,656.22 is: 9,175,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409,352.17 : 12,567,941.78 = 6,139,656.22 : x
  2. Step 2: Convert to fraction form
    8,409,352.17/12,567,941.78 = 6,139,656.22/x
  3. Step 3: Cross multiply
    8,409,352.17x = 12,567,941.78 × 6,139,656.22
  4. Step 4: Simplify right side
    8,409,352.17x = 77,162,841,922,174.86
  5. Step 5: Solve for x
    x = 77,162,841,922,174.86/8,409,352.17
  6. Step 6: Final answer
    x = 9,175,836.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.