Home / 13,756,328.40-20,629,243.80-4,168,520.40

Finding the Fourth Proportional to 13,756,328.40, 20,629,243.80 and 4,168,520.40

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Solution

The fourth proportional to 13,756,328.40, 20,629,243.80 and 4,168,520.40 is: 6,251,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756,328.40 : 20,629,243.80 = 4,168,520.40 : x
  2. Step 2: Convert to fraction form
    13,756,328.40/20,629,243.80 = 4,168,520.40/x
  3. Step 3: Cross multiply
    13,756,328.40x = 20,629,243.80 × 4,168,520.40
  4. Step 4: Simplify right side
    13,756,328.40x = 85,993,423,616,873.52
  5. Step 5: Solve for x
    x = 85,993,423,616,873.52/13,756,328.40
  6. Step 6: Final answer
    x = 6,251,190.08

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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.