Home / 10,880,897.40-16,321,346.10-6,551,220.60

Finding the Fourth Proportional to 10,880,897.40, 16,321,346.10 and 6,551,220.60

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Solution

The fourth proportional to 10,880,897.40, 16,321,346.10 and 6,551,220.60 is: 9,826,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880,897.40 : 16,321,346.10 = 6,551,220.60 : x
  2. Step 2: Convert to fraction form
    10,880,897.40/16,321,346.10 = 6,551,220.60/x
  3. Step 3: Cross multiply
    10,880,897.40x = 16,321,346.10 × 6,551,220.60
  4. Step 4: Simplify right side
    10,880,897.40x = 106,924,738,790,049.66
  5. Step 5: Solve for x
    x = 106,924,738,790,049.66/10,880,897.40
  6. Step 6: Final answer
    x = 9,826,830.90

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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.