Home / 12,415,296.40-18,623,731.79-3,895,969.12

Finding the Fourth Proportional to 12,415,296.40, 18,623,731.79 and 3,895,969.12

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Solution

The fourth proportional to 12,415,296.40, 18,623,731.79 and 3,895,969.12 is: 5,844,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,296.40 : 18,623,731.79 = 3,895,969.12 : x
  2. Step 2: Convert to fraction form
    12,415,296.40/18,623,731.79 = 3,895,969.12/x
  3. Step 3: Cross multiply
    12,415,296.40x = 18,623,731.79 × 3,895,969.12
  4. Step 4: Simplify right side
    12,415,296.40x = 72,557,483,953,002.33
  5. Step 5: Solve for x
    x = 72,557,483,953,002.33/12,415,296.40
  6. Step 6: Final answer
    x = 5,844,200.70

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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.