Home / 10,365,503.76-15,551,243.73-3,178,098.36

Finding the Fourth Proportional to 10,365,503.76, 15,551,243.73 and 3,178,098.36

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Solution

The fourth proportional to 10,365,503.76, 15,551,243.73 and 3,178,098.36 is: 4,768,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,503.76 : 15,551,243.73 = 3,178,098.36 : x
  2. Step 2: Convert to fraction form
    10,365,503.76/15,551,243.73 = 3,178,098.36/x
  3. Step 3: Cross multiply
    10,365,503.76x = 15,551,243.73 × 3,178,098.36
  4. Step 4: Simplify right side
    10,365,503.76x = 49,423,382,194,273.28
  5. Step 5: Solve for x
    x = 49,423,382,194,273.28/10,365,503.76
  6. Step 6: Final answer
    x = 4,768,063.70

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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.