Home / 12,806,426.93-19,210,986.08-4,171,199.81

Finding the Fourth Proportional to 12,806,426.93, 19,210,986.08 and 4,171,199.81

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Solution

The fourth proportional to 12,806,426.93, 19,210,986.08 and 4,171,199.81 is: 6,257,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806,426.93 : 19,210,986.08 = 4,171,199.81 : x
  2. Step 2: Convert to fraction form
    12,806,426.93/19,210,986.08 = 4,171,199.81/x
  3. Step 3: Cross multiply
    12,806,426.93x = 19,210,986.08 × 4,171,199.81
  4. Step 4: Simplify right side
    12,806,426.93x = 80,132,861,486,808.64
  5. Step 5: Solve for x
    x = 80,132,861,486,808.64/12,806,426.93
  6. Step 6: Final answer
    x = 6,257,238.02

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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.