Home / 11,817,607.78-17,719,762.78-3,729,075.76

Finding the Fourth Proportional to 11,817,607.78, 17,719,762.78 and 3,729,075.76

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Solution

The fourth proportional to 11,817,607.78, 17,719,762.78 and 3,729,075.76 is: 5,591,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817,607.78 : 17,719,762.78 = 3,729,075.76 : x
  2. Step 2: Convert to fraction form
    11,817,607.78/17,719,762.78 = 3,729,075.76/x
  3. Step 3: Cross multiply
    11,817,607.78x = 17,719,762.78 × 3,729,075.76
  4. Step 4: Simplify right side
    11,817,607.78x = 66,078,337,855,848.21
  5. Step 5: Solve for x
    x = 66,078,337,855,848.21/11,817,607.78
  6. Step 6: Final answer
    x = 5,591,515.57

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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.