Home / 13,709,197.76-18,918,692.78-7,598,019.92

Finding the Fourth Proportional to 13,709,197.76, 18,918,692.78 and 7,598,019.92

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Solution

The fourth proportional to 13,709,197.76, 18,918,692.78 and 7,598,019.92 is: 10,485,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,197.76 : 18,918,692.78 = 7,598,019.92 : x
  2. Step 2: Convert to fraction form
    13,709,197.76/18,918,692.78 = 7,598,019.92/x
  3. Step 3: Cross multiply
    13,709,197.76x = 18,918,692.78 × 7,598,019.92
  4. Step 4: Simplify right side
    13,709,197.76x = 143,744,604,470,216.59
  5. Step 5: Solve for x
    x = 143,744,604,470,216.59/13,709,197.76
  6. Step 6: Final answer
    x = 10,485,267.41

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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.