Home / 10,696,640.20-16,080,389.70-9,137,746.60

Finding the Fourth Proportional to 10,696,640.20, 16,080,389.70 and 9,137,746.60

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Solution

The fourth proportional to 10,696,640.20, 16,080,389.70 and 9,137,746.60 is: 13,736,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,696,640.20 : 16,080,389.70 = 9,137,746.60 : x
  2. Step 2: Convert to fraction form
    10,696,640.20/16,080,389.70 = 9,137,746.60/x
  3. Step 3: Cross multiply
    10,696,640.20x = 16,080,389.70 × 9,137,746.60
  4. Step 4: Simplify right side
    10,696,640.20x = 146,938,526,307,850
  5. Step 5: Solve for x
    x = 146,938,526,307,850/10,696,640.20
  6. Step 6: Final answer
    x = 13,736,885.93

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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.