Home / 20,949,973.20-28,924,245.72-14,345,613.36

Finding the Fourth Proportional to 20,949,973.20, 28,924,245.72 and 14,345,613.36

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Solution

The fourth proportional to 20,949,973.20, 28,924,245.72 and 14,345,613.36 is: 19,806,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,949,973.20 : 28,924,245.72 = 14,345,613.36 : x
  2. Step 2: Convert to fraction form
    20,949,973.20/28,924,245.72 = 14,345,613.36/x
  3. Step 3: Cross multiply
    20,949,973.20x = 28,924,245.72 × 14,345,613.36
  4. Step 4: Simplify right side
    20,949,973.20x = 414,936,045,828,754.81
  5. Step 5: Solve for x
    x = 414,936,045,828,754.81/20,949,973.20
  6. Step 6: Final answer
    x = 19,806,041.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.