Home / 12,014,909.78-16,580,655.08-6,508,284.58

Finding the Fourth Proportional to 12,014,909.78, 16,580,655.08 and 6,508,284.58

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Solution

The fourth proportional to 12,014,909.78, 16,580,655.08 and 6,508,284.58 is: 8,981,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014,909.78 : 16,580,655.08 = 6,508,284.58 : x
  2. Step 2: Convert to fraction form
    12,014,909.78/16,580,655.08 = 6,508,284.58/x
  3. Step 3: Cross multiply
    12,014,909.78x = 16,580,655.08 × 6,508,284.58
  4. Step 4: Simplify right side
    12,014,909.78x = 107,911,621,783,462.67
  5. Step 5: Solve for x
    x = 107,911,621,783,462.67/12,014,909.78
  6. Step 6: Final answer
    x = 8,981,475.83

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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.