Home / 12,558,342.60-18,837,513.90-3,102,726.60

Finding the Fourth Proportional to 12,558,342.60, 18,837,513.90 and 3,102,726.60

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Solution

The fourth proportional to 12,558,342.60, 18,837,513.90 and 3,102,726.60 is: 4,654,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,342.60 : 18,837,513.90 = 3,102,726.60 : x
  2. Step 2: Convert to fraction form
    12,558,342.60/18,837,513.90 = 3,102,726.60/x
  3. Step 3: Cross multiply
    12,558,342.60x = 18,837,513.90 × 3,102,726.60
  4. Step 4: Simplify right side
    12,558,342.60x = 58,447,655,455,399.73
  5. Step 5: Solve for x
    x = 58,447,655,455,399.73/12,558,342.60
  6. Step 6: Final answer
    x = 4,654,089.90

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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.