Home / 13,521,342.76-18,659,422.37-7,326,558.52

Finding the Fourth Proportional to 13,521,342.76, 18,659,422.37 and 7,326,558.52

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Solution

The fourth proportional to 13,521,342.76, 18,659,422.37 and 7,326,558.52 is: 10,110,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,342.76 : 18,659,422.37 = 7,326,558.52 : x
  2. Step 2: Convert to fraction form
    13,521,342.76/18,659,422.37 = 7,326,558.52/x
  3. Step 3: Cross multiply
    13,521,342.76x = 18,659,422.37 × 7,326,558.52
  4. Step 4: Simplify right side
    13,521,342.76x = 136,709,349,943,202.09
  5. Step 5: Solve for x
    x = 136,709,349,943,202.09/13,521,342.76
  6. Step 6: Final answer
    x = 10,110,634.16

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Double scale
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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.