Home / 12,463,704.30-18,695,556.45-5,272,848.30

Finding the Fourth Proportional to 12,463,704.30, 18,695,556.45 and 5,272,848.30

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Solution

The fourth proportional to 12,463,704.30, 18,695,556.45 and 5,272,848.30 is: 7,909,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463,704.30 : 18,695,556.45 = 5,272,848.30 : x
  2. Step 2: Convert to fraction form
    12,463,704.30/18,695,556.45 = 5,272,848.30/x
  3. Step 3: Cross multiply
    12,463,704.30x = 18,695,556.45 × 5,272,848.30
  4. Step 4: Simplify right side
    12,463,704.30x = 98,578,833,044,936.53
  5. Step 5: Solve for x
    x = 98,578,833,044,936.53/12,463,704.30
  6. Step 6: Final answer
    x = 7,909,272.45

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Double scale
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Similar ratio
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1.5x scale

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.