Home / 19,782,570.06-27,309,296.88-13,260,460.32

Finding the Fourth Proportional to 19,782,570.06, 27,309,296.88 and 13,260,460.32

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Solution

The fourth proportional to 19,782,570.06, 27,309,296.88 and 13,260,460.32 is: 18,305,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,570.06 : 27,309,296.88 = 13,260,460.32 : x
  2. Step 2: Convert to fraction form
    19,782,570.06/27,309,296.88 = 13,260,460.32/x
  3. Step 3: Cross multiply
    19,782,570.06x = 27,309,296.88 × 13,260,460.32
  4. Step 4: Simplify right side
    19,782,570.06x = 362,133,847,644,339.81
  5. Step 5: Solve for x
    x = 362,133,847,644,339.81/19,782,570.06
  6. Step 6: Final answer
    x = 18,305,702.78

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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.