Home / 40,073,725.81-55,301,848.03-21,739,011.31

Finding the Fourth Proportional to 40,073,725.81, 55,301,848.03 and 21,739,011.31

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Solution

The fourth proportional to 40,073,725.81, 55,301,848.03 and 21,739,011.31 is: 29,999,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073,725.81 : 55,301,848.03 = 21,739,011.31 : x
  2. Step 2: Convert to fraction form
    40,073,725.81/55,301,848.03 = 21,739,011.31/x
  3. Step 3: Cross multiply
    40,073,725.81x = 55,301,848.03 × 21,739,011.31
  4. Step 4: Simplify right side
    40,073,725.81x = 1,202,207,499,788,071.25
  5. Step 5: Solve for x
    x = 1,202,207,499,788,071.25/40,073,725.81
  6. Step 6: Final answer
    x = 29,999,893.33

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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.