Home / 13,171,853.95-19,777,203.60-7,347,419.93

Finding the Fourth Proportional to 13,171,853.95, 19,777,203.60 and 7,347,419.93

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Solution

The fourth proportional to 13,171,853.95, 19,777,203.60 and 7,347,419.93 is: 11,031,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171,853.95 : 19,777,203.60 = 7,347,419.93 : x
  2. Step 2: Convert to fraction form
    13,171,853.95/19,777,203.60 = 7,347,419.93/x
  3. Step 3: Cross multiply
    13,171,853.95x = 19,777,203.60 × 7,347,419.93
  4. Step 4: Simplify right side
    13,171,853.95x = 145,311,419,890,307.75
  5. Step 5: Solve for x
    x = 145,311,419,890,307.75/13,171,853.95
  6. Step 6: Final answer
    x = 11,031,964.10

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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.