Home / 13,942,329.72-19,242,221.40-7,830,758.76

Finding the Fourth Proportional to 13,942,329.72, 19,242,221.40 and 7,830,758.76

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Solution

The fourth proportional to 13,942,329.72, 19,242,221.40 and 7,830,758.76 is: 10,807,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,329.72 : 19,242,221.40 = 7,830,758.76 : x
  2. Step 2: Convert to fraction form
    13,942,329.72/19,242,221.40 = 7,830,758.76/x
  3. Step 3: Cross multiply
    13,942,329.72x = 19,242,221.40 × 7,830,758.76
  4. Step 4: Simplify right side
    13,942,329.72x = 150,681,193,789,909.44
  5. Step 5: Solve for x
    x = 150,681,193,789,909.44/13,942,329.72
  6. Step 6: Final answer
    x = 10,807,461.65

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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.