Home / 7,681,311.71-11,523,683.45-2,889,042.49

Finding the Fourth Proportional to 7,681,311.71, 11,523,683.45 and 2,889,042.49

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Solution

The fourth proportional to 7,681,311.71, 11,523,683.45 and 2,889,042.49 is: 4,334,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681,311.71 : 11,523,683.45 = 2,889,042.49 : x
  2. Step 2: Convert to fraction form
    7,681,311.71/11,523,683.45 = 2,889,042.49/x
  3. Step 3: Cross multiply
    7,681,311.71x = 11,523,683.45 × 2,889,042.49
  4. Step 4: Simplify right side
    7,681,311.71x = 33,292,411,133,736.14
  5. Step 5: Solve for x
    x = 33,292,411,133,736.14/7,681,311.71
  6. Step 6: Final answer
    x = 4,334,209.10

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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.