Home / 13,824,979.20-20,727,638.40-5,302,022.40

Finding the Fourth Proportional to 13,824,979.20, 20,727,638.40 and 5,302,022.40

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Solution

The fourth proportional to 13,824,979.20, 20,727,638.40 and 5,302,022.40 is: 7,949,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,979.20 : 20,727,638.40 = 5,302,022.40 : x
  2. Step 2: Convert to fraction form
    13,824,979.20/20,727,638.40 = 5,302,022.40/x
  3. Step 3: Cross multiply
    13,824,979.20x = 20,727,638.40 × 5,302,022.40
  4. Step 4: Simplify right side
    13,824,979.20x = 109,898,403,095,900.16
  5. Step 5: Solve for x
    x = 109,898,403,095,900.16/13,824,979.20
  6. Step 6: Final answer
    x = 7,949,263.54

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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.