Home / 12,861,300.20-19,266,726.34-7,458,600.08

Finding the Fourth Proportional to 12,861,300.20, 19,266,726.34 and 7,458,600.08

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Solution

The fourth proportional to 12,861,300.20, 19,266,726.34 and 7,458,600.08 is: 11,173,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,300.20 : 19,266,726.34 = 7,458,600.08 : x
  2. Step 2: Convert to fraction form
    12,861,300.20/19,266,726.34 = 7,458,600.08/x
  3. Step 3: Cross multiply
    12,861,300.20x = 19,266,726.34 × 7,458,600.08
  4. Step 4: Simplify right side
    12,861,300.20x = 143,702,806,620,862.09
  5. Step 5: Solve for x
    x = 143,702,806,620,862.09/12,861,300.20
  6. Step 6: Final answer
    x = 11,173,272.09

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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.