Home / 12,642,286.56-17,446,401.68-6,841,068.32

Finding the Fourth Proportional to 12,642,286.56, 17,446,401.68 and 6,841,068.32

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Solution

The fourth proportional to 12,642,286.56, 17,446,401.68 and 6,841,068.32 is: 9,440,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,286.56 : 17,446,401.68 = 6,841,068.32 : x
  2. Step 2: Convert to fraction form
    12,642,286.56/17,446,401.68 = 6,841,068.32/x
  3. Step 3: Cross multiply
    12,642,286.56x = 17,446,401.68 × 6,841,068.32
  4. Step 4: Simplify right side
    12,642,286.56x = 119,352,025,831,042.78
  5. Step 5: Solve for x
    x = 119,352,025,831,042.78/12,642,286.56
  6. Step 6: Final answer
    x = 9,440,699.30

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1.5x scale

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.