Home / 13,761,819.81-20,645,218.44-5,670,294.03

Finding the Fourth Proportional to 13,761,819.81, 20,645,218.44 and 5,670,294.03

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Solution

The fourth proportional to 13,761,819.81, 20,645,218.44 and 5,670,294.03 is: 8,506,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761,819.81 : 20,645,218.44 = 5,670,294.03 : x
  2. Step 2: Convert to fraction form
    13,761,819.81/20,645,218.44 = 5,670,294.03/x
  3. Step 3: Cross multiply
    13,761,819.81x = 20,645,218.44 × 5,670,294.03
  4. Step 4: Simplify right side
    13,761,819.81x = 117,064,458,868,377.92
  5. Step 5: Solve for x
    x = 117,064,458,868,377.92/13,761,819.81
  6. Step 6: Final answer
    x = 8,506,466.48

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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.