Home / 10,368,004.43-15,552,006.65-9,780,138.83

Finding the Fourth Proportional to 10,368,004.43, 15,552,006.65 and 9,780,138.83

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Solution

The fourth proportional to 10,368,004.43, 15,552,006.65 and 9,780,138.83 is: 14,670,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,004.43 : 15,552,006.65 = 9,780,138.83 : x
  2. Step 2: Convert to fraction form
    10,368,004.43/15,552,006.65 = 9,780,138.83/x
  3. Step 3: Cross multiply
    10,368,004.43x = 15,552,006.65 × 9,780,138.83
  4. Step 4: Simplify right side
    10,368,004.43x = 152,100,784,122,083.22
  5. Step 5: Solve for x
    x = 152,100,784,122,083.22/10,368,004.43
  6. Step 6: Final answer
    x = 14,670,208.25

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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.