Home / 13,824,004.70-20,736,007.06-12,816,235.10

Finding the Fourth Proportional to 13,824,004.70, 20,736,007.06 and 12,816,235.10

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Solution

The fourth proportional to 13,824,004.70, 20,736,007.06 and 12,816,235.10 is: 19,224,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,004.70 : 20,736,007.06 = 12,816,235.10 : x
  2. Step 2: Convert to fraction form
    13,824,004.70/20,736,007.06 = 12,816,235.10/x
  3. Step 3: Cross multiply
    13,824,004.70x = 20,736,007.06 × 12,816,235.10
  4. Step 4: Simplify right side
    13,824,004.70x = 265,757,541,516,219.78
  5. Step 5: Solve for x
    x = 265,757,541,516,219.78/13,824,004.70
  6. Step 6: Final answer
    x = 19,224,352.66

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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.