Home / 20,226,949.29-30,336,465.47-16,837,011.81

Finding the Fourth Proportional to 20,226,949.29, 30,336,465.47 and 16,837,011.81

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Solution

The fourth proportional to 20,226,949.29, 30,336,465.47 and 16,837,011.81 is: 25,252,222.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,949.29 : 30,336,465.47 = 16,837,011.81 : x
  2. Step 2: Convert to fraction form
    20,226,949.29/30,336,465.47 = 16,837,011.81/x
  3. Step 3: Cross multiply
    20,226,949.29x = 30,336,465.47 × 16,837,011.81
  4. Step 4: Simplify right side
    20,226,949.29x = 510,775,427,307,862.12
  5. Step 5: Solve for x
    x = 510,775,427,307,862.12/20,226,949.29
  6. Step 6: Final answer
    x = 25,252,222.67

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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.