Home / 20,300,838.76-30,459,233.70-8,933,315.77

Finding the Fourth Proportional to 20,300,838.76, 30,459,233.70 and 8,933,315.77

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Solution

The fourth proportional to 20,300,838.76, 30,459,233.70 and 8,933,315.77 is: 13,403,483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,300,838.76 : 30,459,233.70 = 8,933,315.77 : x
  2. Step 2: Convert to fraction form
    20,300,838.76/30,459,233.70 = 8,933,315.77/x
  3. Step 3: Cross multiply
    20,300,838.76x = 30,459,233.70 × 8,933,315.77
  4. Step 4: Simplify right side
    20,300,838.76x = 272,101,952,595,936.88
  5. Step 5: Solve for x
    x = 272,101,952,595,936.88/20,300,838.76
  6. Step 6: Final answer
    x = 13,403,483.27

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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.