Home / 19,210,843.80-28,806,416.10-5,745,922.20

Finding the Fourth Proportional to 19,210,843.80, 28,806,416.10 and 5,745,922.20

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Solution

The fourth proportional to 19,210,843.80, 28,806,416.10 and 5,745,922.20 is: 8,615,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,210,843.80 : 28,806,416.10 = 5,745,922.20 : x
  2. Step 2: Convert to fraction form
    19,210,843.80/28,806,416.10 = 5,745,922.20/x
  3. Step 3: Cross multiply
    19,210,843.80x = 28,806,416.10 × 5,745,922.20
  4. Step 4: Simplify right side
    19,210,843.80x = 165,519,425,771,427.44
  5. Step 5: Solve for x
    x = 165,519,425,771,427.44/19,210,843.80
  6. Step 6: Final answer
    x = 8,615,937.31

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1.5x scale

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.