Home / 20,483,071.62-30,717,492.39-11,399,031.78

Finding the Fourth Proportional to 20,483,071.62, 30,717,492.39 and 11,399,031.78

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Solution

The fourth proportional to 20,483,071.62, 30,717,492.39 and 11,399,031.78 is: 17,094,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483,071.62 : 30,717,492.39 = 11,399,031.78 : x
  2. Step 2: Convert to fraction form
    20,483,071.62/30,717,492.39 = 11,399,031.78/x
  3. Step 3: Cross multiply
    20,483,071.62x = 30,717,492.39 × 11,399,031.78
  4. Step 4: Simplify right side
    20,483,071.62x = 350,149,671,955,518.12
  5. Step 5: Solve for x
    x = 350,149,671,955,518.12/20,483,071.62
  6. Step 6: Final answer
    x = 17,094,588.08

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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.