Home / 20,257,003.34-30,385,459.53-15,652,685.21

Finding the Fourth Proportional to 20,257,003.34, 30,385,459.53 and 15,652,685.21

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Solution

The fourth proportional to 20,257,003.34, 30,385,459.53 and 15,652,685.21 is: 23,478,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257,003.34 : 30,385,459.53 = 15,652,685.21 : x
  2. Step 2: Convert to fraction form
    20,257,003.34/30,385,459.53 = 15,652,685.21/x
  3. Step 3: Cross multiply
    20,257,003.34x = 30,385,459.53 × 15,652,685.21
  4. Step 4: Simplify right side
    20,257,003.34x = 475,614,033,003,275.50
  5. Step 5: Solve for x
    x = 475,614,033,003,275.50/20,257,003.34
  6. Step 6: Final answer
    x = 23,478,992.67

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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.