Home / 13,106,065.47-18,086,454.28-7,305,215.01

Finding the Fourth Proportional to 13,106,065.47, 18,086,454.28 and 7,305,215.01

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Solution

The fourth proportional to 13,106,065.47, 18,086,454.28 and 7,305,215.01 is: 10,081,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,065.47 : 18,086,454.28 = 7,305,215.01 : x
  2. Step 2: Convert to fraction form
    13,106,065.47/18,086,454.28 = 7,305,215.01/x
  3. Step 3: Cross multiply
    13,106,065.47x = 18,086,454.28 × 7,305,215.01
  4. Step 4: Simplify right side
    13,106,065.47x = 132,125,437,193,502.48
  5. Step 5: Solve for x
    x = 132,125,437,193,502.48/13,106,065.47
  6. Step 6: Final answer
    x = 10,081,243.49

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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.