Home / 10,354,712.81-14,289,406.48-5,645,107.64

Finding the Fourth Proportional to 10,354,712.81, 14,289,406.48 and 5,645,107.64

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Solution

The fourth proportional to 10,354,712.81, 14,289,406.48 and 5,645,107.64 is: 7,790,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354,712.81 : 14,289,406.48 = 5,645,107.64 : x
  2. Step 2: Convert to fraction form
    10,354,712.81/14,289,406.48 = 5,645,107.64/x
  3. Step 3: Cross multiply
    10,354,712.81x = 14,289,406.48 × 5,645,107.64
  4. Step 4: Simplify right side
    10,354,712.81x = 80,665,237,621,961.77
  5. Step 5: Solve for x
    x = 80,665,237,621,961.77/10,354,712.81
  6. Step 6: Final answer
    x = 7,790,195.55

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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.