Home / 14,655,962.62-20,225,552.64-8,129,379.52

Finding the Fourth Proportional to 14,655,962.62, 20,225,552.64 and 8,129,379.52

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Solution

The fourth proportional to 14,655,962.62, 20,225,552.64 and 8,129,379.52 is: 11,218,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655,962.62 : 20,225,552.64 = 8,129,379.52 : x
  2. Step 2: Convert to fraction form
    14,655,962.62/20,225,552.64 = 8,129,379.52/x
  3. Step 3: Cross multiply
    14,655,962.62x = 20,225,552.64 × 8,129,379.52
  4. Step 4: Simplify right side
    14,655,962.62x = 164,421,193,412,297.94
  5. Step 5: Solve for x
    x = 164,421,193,412,297.94/14,655,962.62
  6. Step 6: Final answer
    x = 11,218,723.58

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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.