Home / 20,914,492.93-28,857,271.41-12,654,349.80

Finding the Fourth Proportional to 20,914,492.93, 28,857,271.41 and 12,654,349.80

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Solution

The fourth proportional to 20,914,492.93, 28,857,271.41 and 12,654,349.80 is: 17,460,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,492.93 : 28,857,271.41 = 12,654,349.80 : x
  2. Step 2: Convert to fraction form
    20,914,492.93/28,857,271.41 = 12,654,349.80/x
  3. Step 3: Cross multiply
    20,914,492.93x = 28,857,271.41 × 12,654,349.80
  4. Step 4: Simplify right side
    20,914,492.93x = 365,170,006,695,679.25
  5. Step 5: Solve for x
    x = 365,170,006,695,679.25/20,914,492.93
  6. Step 6: Final answer
    x = 17,460,141.54

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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.