Home / 7,026,988.08-9,696,171.12-3,970,086.96

Finding the Fourth Proportional to 7,026,988.08, 9,696,171.12 and 3,970,086.96

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Solution

The fourth proportional to 7,026,988.08, 9,696,171.12 and 3,970,086.96 is: 5,478,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026,988.08 : 9,696,171.12 = 3,970,086.96 : x
  2. Step 2: Convert to fraction form
    7,026,988.08/9,696,171.12 = 3,970,086.96/x
  3. Step 3: Cross multiply
    7,026,988.08x = 9,696,171.12 × 3,970,086.96
  4. Step 4: Simplify right side
    7,026,988.08x = 38,494,642,525,440.59
  5. Step 5: Solve for x
    x = 38,494,642,525,440.59/7,026,988.08
  6. Step 6: Final answer
    x = 5,478,114.11

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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.