Home / 10,553,618.70-15,830,428.05-5,504,273.10

Finding the Fourth Proportional to 10,553,618.70, 15,830,428.05 and 5,504,273.10

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Solution

The fourth proportional to 10,553,618.70, 15,830,428.05 and 5,504,273.10 is: 8,256,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553,618.70 : 15,830,428.05 = 5,504,273.10 : x
  2. Step 2: Convert to fraction form
    10,553,618.70/15,830,428.05 = 5,504,273.10/x
  3. Step 3: Cross multiply
    10,553,618.70x = 15,830,428.05 × 5,504,273.10
  4. Step 4: Simplify right side
    10,553,618.70x = 87,134,999,277,100.45
  5. Step 5: Solve for x
    x = 87,134,999,277,100.45/10,553,618.70
  6. Step 6: Final answer
    x = 8,256,409.65

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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.