Home / 13,824,051.80-20,736,077.70-12,816,282.20

Finding the Fourth Proportional to 13,824,051.80, 20,736,077.70 and 12,816,282.20

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Solution

The fourth proportional to 13,824,051.80, 20,736,077.70 and 12,816,282.20 is: 19,224,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,051.80 : 20,736,077.70 = 12,816,282.20 : x
  2. Step 2: Convert to fraction form
    13,824,051.80/20,736,077.70 = 12,816,282.20/x
  3. Step 3: Cross multiply
    13,824,051.80x = 20,736,077.70 × 12,816,282.20
  4. Step 4: Simplify right side
    13,824,051.80x = 265,759,423,524,326.91
  5. Step 5: Solve for x
    x = 265,759,423,524,326.91/13,824,051.80
  6. Step 6: Final answer
    x = 19,224,423.30

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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.