Home / 12,739,941,388.40-17,588,660,725.26-11,326,340,879.08

Finding the Fourth Proportional to 12,739,941,388.40, 17,588,660,725.26 and 11,326,340,879.08

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Solution

The fourth proportional to 12,739,941,388.40, 17,588,660,725.26 and 11,326,340,879.08 is: 15,637,055,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739,941,388.40 : 17,588,660,725.26 = 11,326,340,879.08 : x
  2. Step 2: Convert to fraction form
    12,739,941,388.40/17,588,660,725.26 = 11,326,340,879.08/x
  3. Step 3: Cross multiply
    12,739,941,388.40x = 17,588,660,725.26 × 11,326,340,879.08
  4. Step 4: Simplify right side
    12,739,941,388.40x = 199,215,166,980,781,211,648
  5. Step 5: Solve for x
    x = 199,215,166,980,781,211,648/12,739,941,388.40
  6. Step 6: Final answer
    x = 15,637,055,219.28

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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.