Home / 10,963,396.40-16,398,438.60-9,834,321.20

Finding the Fourth Proportional to 10,963,396.40, 16,398,438.60 and 9,834,321.20

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Solution

The fourth proportional to 10,963,396.40, 16,398,438.60 and 9,834,321.20 is: 14,709,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963,396.40 : 16,398,438.60 = 9,834,321.20 : x
  2. Step 2: Convert to fraction form
    10,963,396.40/16,398,438.60 = 9,834,321.20/x
  3. Step 3: Cross multiply
    10,963,396.40x = 16,398,438.60 × 9,834,321.20
  4. Step 4: Simplify right side
    10,963,396.40x = 161,267,512,370,878.31
  5. Step 5: Solve for x
    x = 161,267,512,370,878.31/10,963,396.40
  6. Step 6: Final answer
    x = 14,709,630.71

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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.