Home / 13,886,142.06-19,162,662.03-7,774,789.26

Finding the Fourth Proportional to 13,886,142.06, 19,162,662.03 and 7,774,789.26

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Solution

The fourth proportional to 13,886,142.06, 19,162,662.03 and 7,774,789.26 is: 10,729,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,142.06 : 19,162,662.03 = 7,774,789.26 : x
  2. Step 2: Convert to fraction form
    13,886,142.06/19,162,662.03 = 7,774,789.26/x
  3. Step 3: Cross multiply
    13,886,142.06x = 19,162,662.03 × 7,774,789.26
  4. Step 4: Simplify right side
    13,886,142.06x = 148,985,658,943,853.81
  5. Step 5: Solve for x
    x = 148,985,658,943,853.81/13,886,142.06
  6. Step 6: Final answer
    x = 10,729,089.35

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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.