Home / 10,728,045.45-16,092,068.18-3,155,776.65

Finding the Fourth Proportional to 10,728,045.45, 16,092,068.18 and 3,155,776.65

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Solution

The fourth proportional to 10,728,045.45, 16,092,068.18 and 3,155,776.65 is: 4,733,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,045.45 : 16,092,068.18 = 3,155,776.65 : x
  2. Step 2: Convert to fraction form
    10,728,045.45/16,092,068.18 = 3,155,776.65/x
  3. Step 3: Cross multiply
    10,728,045.45x = 16,092,068.18 × 3,155,776.65
  4. Step 4: Simplify right side
    10,728,045.45x = 50,782,972,996,873.12
  5. Step 5: Solve for x
    x = 50,782,972,996,873.12/10,728,045.45
  6. Step 6: Final answer
    x = 4,733,664.98

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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.