Home / 13,824,077.80-20,736,116.70-12,816,308.20

Finding the Fourth Proportional to 13,824,077.80, 20,736,116.70 and 12,816,308.20

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Solution

The fourth proportional to 13,824,077.80, 20,736,116.70 and 12,816,308.20 is: 19,224,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,077.80 : 20,736,116.70 = 12,816,308.20 : x
  2. Step 2: Convert to fraction form
    13,824,077.80/20,736,116.70 = 12,816,308.20/x
  3. Step 3: Cross multiply
    13,824,077.80x = 20,736,116.70 × 12,816,308.20
  4. Step 4: Simplify right side
    13,824,077.80x = 265,760,462,498,366.91
  5. Step 5: Solve for x
    x = 265,760,462,498,366.91/13,824,077.80
  6. Step 6: Final answer
    x = 19,224,462.30

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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.