Home / 14,190,492.80-21,279,518.40-5,667,996.80

Finding the Fourth Proportional to 14,190,492.80, 21,279,518.40 and 5,667,996.80

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Solution

The fourth proportional to 14,190,492.80, 21,279,518.40 and 5,667,996.80 is: 8,499,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190,492.80 : 21,279,518.40 = 5,667,996.80 : x
  2. Step 2: Convert to fraction form
    14,190,492.80/21,279,518.40 = 5,667,996.80/x
  3. Step 3: Cross multiply
    14,190,492.80x = 21,279,518.40 × 5,667,996.80
  4. Step 4: Simplify right side
    14,190,492.80x = 120,612,242,196,741.11
  5. Step 5: Solve for x
    x = 120,612,242,196,741.11/14,190,492.80
  6. Step 6: Final answer
    x = 8,499,510.47

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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.