Home / 8,613,459.14-11,887,411.28-6,434,218.89

Finding the Fourth Proportional to 8,613,459.14, 11,887,411.28 and 6,434,218.89

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Solution

The fourth proportional to 8,613,459.14, 11,887,411.28 and 6,434,218.89 is: 8,879,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613,459.14 : 11,887,411.28 = 6,434,218.89 : x
  2. Step 2: Convert to fraction form
    8,613,459.14/11,887,411.28 = 6,434,218.89/x
  3. Step 3: Cross multiply
    8,613,459.14x = 11,887,411.28 × 6,434,218.89
  4. Step 4: Simplify right side
    8,613,459.14x = 76,486,206,178,803.98
  5. Step 5: Solve for x
    x = 76,486,206,178,803.98/8,613,459.14
  6. Step 6: Final answer
    x = 8,879,847.80

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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.