Home / 13,855,597.40-20,786,813.22-4,757,830.50

Finding the Fourth Proportional to 13,855,597.40, 20,786,813.22 and 4,757,830.50

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Solution

The fourth proportional to 13,855,597.40, 20,786,813.22 and 4,757,830.50 is: 7,137,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855,597.40 : 20,786,813.22 = 4,757,830.50 : x
  2. Step 2: Convert to fraction form
    13,855,597.40/20,786,813.22 = 4,757,830.50/x
  3. Step 3: Cross multiply
    13,855,597.40x = 20,786,813.22 × 4,757,830.50
  4. Step 4: Simplify right side
    13,855,597.40x = 98,900,133,935,919.20
  5. Step 5: Solve for x
    x = 98,900,133,935,919.20/13,855,597.40
  6. Step 6: Final answer
    x = 7,137,919.14

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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.