Home / 12,642,913.35-17,447,220.43-6,841,695.08

Finding the Fourth Proportional to 12,642,913.35, 17,447,220.43 and 6,841,695.08

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Solution

The fourth proportional to 12,642,913.35, 17,447,220.43 and 6,841,695.08 is: 9,441,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,913.35 : 17,447,220.43 = 6,841,695.08 : x
  2. Step 2: Convert to fraction form
    12,642,913.35/17,447,220.43 = 6,841,695.08/x
  3. Step 3: Cross multiply
    12,642,913.35x = 17,447,220.43 × 6,841,695.08
  4. Step 4: Simplify right side
    12,642,913.35x = 119,368,562,202,120.28
  5. Step 5: Solve for x
    x = 119,368,562,202,120.28/12,642,913.35
  6. Step 6: Final answer
    x = 9,441,539.22

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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.