Home / 12,775,936.50-17,630,631.45-7,269,294.06

Finding the Fourth Proportional to 12,775,936.50, 17,630,631.45 and 7,269,294.06

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Solution

The fourth proportional to 12,775,936.50, 17,630,631.45 and 7,269,294.06 is: 10,031,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,936.50 : 17,630,631.45 = 7,269,294.06 : x
  2. Step 2: Convert to fraction form
    12,775,936.50/17,630,631.45 = 7,269,294.06/x
  3. Step 3: Cross multiply
    12,775,936.50x = 17,630,631.45 × 7,269,294.06
  4. Step 4: Simplify right side
    12,775,936.50x = 128,162,244,473,534.17
  5. Step 5: Solve for x
    x = 128,162,244,473,534.17/12,775,936.50
  6. Step 6: Final answer
    x = 10,031,534.24

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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.