Home / 13,081,988.94-19,654,913.60-12,356,867.22

Finding the Fourth Proportional to 13,081,988.94, 19,654,913.60 and 12,356,867.22

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Solution

The fourth proportional to 13,081,988.94, 19,654,913.60 and 12,356,867.22 is: 18,565,461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,988.94 : 19,654,913.60 = 12,356,867.22 : x
  2. Step 2: Convert to fraction form
    13,081,988.94/19,654,913.60 = 12,356,867.22/x
  3. Step 3: Cross multiply
    13,081,988.94x = 19,654,913.60 × 12,356,867.22
  4. Step 4: Simplify right side
    13,081,988.94x = 242,873,157,556,127.59
  5. Step 5: Solve for x
    x = 242,873,157,556,127.59/13,081,988.94
  6. Step 6: Final answer
    x = 18,565,461.16

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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.