Home / 12,345,041.86-18,546,022.95-11,834,867.14

Finding the Fourth Proportional to 12,345,041.86, 18,546,022.95 and 11,834,867.14

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Solution

The fourth proportional to 12,345,041.86, 18,546,022.95 and 11,834,867.14 is: 17,779,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,041.86 : 18,546,022.95 = 11,834,867.14 : x
  2. Step 2: Convert to fraction form
    12,345,041.86/18,546,022.95 = 11,834,867.14/x
  3. Step 3: Cross multiply
    12,345,041.86x = 18,546,022.95 × 11,834,867.14
  4. Step 4: Simplify right side
    12,345,041.86x = 219,489,717,588,640.88
  5. Step 5: Solve for x
    x = 219,489,717,588,640.88/12,345,041.86
  6. Step 6: Final answer
    x = 17,779,584.72

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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.