Home / 12,811,451.44-17,680,199.58-7,010,477.68

Finding the Fourth Proportional to 12,811,451.44, 17,680,199.58 and 7,010,477.68

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Solution

The fourth proportional to 12,811,451.44, 17,680,199.58 and 7,010,477.68 is: 9,674,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,451.44 : 17,680,199.58 = 7,010,477.68 : x
  2. Step 2: Convert to fraction form
    12,811,451.44/17,680,199.58 = 7,010,477.68/x
  3. Step 3: Cross multiply
    12,811,451.44x = 17,680,199.58 × 7,010,477.68
  4. Step 4: Simplify right side
    12,811,451.44x = 123,946,644,533,535.36
  5. Step 5: Solve for x
    x = 123,946,644,533,535.36/12,811,451.44
  6. Step 6: Final answer
    x = 9,674,676.22

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1.5x scale

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.