Home / 12,687,636.96-19,031,291.28-3,103,094.88

Finding the Fourth Proportional to 12,687,636.96, 19,031,291.28 and 3,103,094.88

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Solution

The fourth proportional to 12,687,636.96, 19,031,291.28 and 3,103,094.88 is: 4,654,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,636.96 : 19,031,291.28 = 3,103,094.88 : x
  2. Step 2: Convert to fraction form
    12,687,636.96/19,031,291.28 = 3,103,094.88/x
  3. Step 3: Cross multiply
    12,687,636.96x = 19,031,291.28 × 3,103,094.88
  4. Step 4: Simplify right side
    12,687,636.96x = 59,055,902,530,756.65
  5. Step 5: Solve for x
    x = 59,055,902,530,756.65/12,687,636.96
  6. Step 6: Final answer
    x = 4,654,602.17

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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.