Home / 10,755,396.40-16,133,094.60-9,691,639.60

Finding the Fourth Proportional to 10,755,396.40, 16,133,094.60 and 9,691,639.60

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Solution

The fourth proportional to 10,755,396.40, 16,133,094.60 and 9,691,639.60 is: 14,537,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755,396.40 : 16,133,094.60 = 9,691,639.60 : x
  2. Step 2: Convert to fraction form
    10,755,396.40/16,133,094.60 = 9,691,639.60/x
  3. Step 3: Cross multiply
    10,755,396.40x = 16,133,094.60 × 9,691,639.60
  4. Step 4: Simplify right side
    10,755,396.40x = 156,356,138,495,906.16
  5. Step 5: Solve for x
    x = 156,356,138,495,906.16/10,755,396.40
  6. Step 6: Final answer
    x = 14,537,459.40

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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.