Home / 10,363,628.28-14,294,401.74-8,984,505.96

Finding the Fourth Proportional to 10,363,628.28, 14,294,401.74 and 8,984,505.96

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Solution

The fourth proportional to 10,363,628.28, 14,294,401.74 and 8,984,505.96 is: 12,392,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,628.28 : 14,294,401.74 = 8,984,505.96 : x
  2. Step 2: Convert to fraction form
    10,363,628.28/14,294,401.74 = 8,984,505.96/x
  3. Step 3: Cross multiply
    10,363,628.28x = 14,294,401.74 × 8,984,505.96
  4. Step 4: Simplify right side
    10,363,628.28x = 128,428,137,627,664.39
  5. Step 5: Solve for x
    x = 128,428,137,627,664.39/10,363,628.28
  6. Step 6: Final answer
    x = 12,392,198.38

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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.