Home / 9,303,692.78-12,839,247.54-5,117,543.12

Finding the Fourth Proportional to 9,303,692.78, 12,839,247.54 and 5,117,543.12

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Solution

The fourth proportional to 9,303,692.78, 12,839,247.54 and 5,117,543.12 is: 7,062,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303,692.78 : 12,839,247.54 = 5,117,543.12 : x
  2. Step 2: Convert to fraction form
    9,303,692.78/12,839,247.54 = 5,117,543.12/x
  3. Step 3: Cross multiply
    9,303,692.78x = 12,839,247.54 × 5,117,543.12
  4. Step 4: Simplify right side
    9,303,692.78x = 65,705,402,914,303.92
  5. Step 5: Solve for x
    x = 65,705,402,914,303.92/9,303,692.78
  6. Step 6: Final answer
    x = 7,062,292.84

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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.