Home / 13,808,931.75-20,712,646.81-4,224,310.29

Finding the Fourth Proportional to 13,808,931.75, 20,712,646.81 and 4,224,310.29

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Solution

The fourth proportional to 13,808,931.75, 20,712,646.81 and 4,224,310.29 is: 6,336,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,931.75 : 20,712,646.81 = 4,224,310.29 : x
  2. Step 2: Convert to fraction form
    13,808,931.75/20,712,646.81 = 4,224,310.29/x
  3. Step 3: Cross multiply
    13,808,931.75x = 20,712,646.81 × 4,224,310.29
  4. Step 4: Simplify right side
    13,808,931.75x = 87,496,647,052,618.67
  5. Step 5: Solve for x
    x = 87,496,647,052,618.67/13,808,931.75
  6. Step 6: Final answer
    x = 6,336,235.75

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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.