Home / 30,545,669.44-42,153,900.96-18,625,182.34

Finding the Fourth Proportional to 30,545,669.44, 42,153,900.96 and 18,625,182.34

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Solution

The fourth proportional to 30,545,669.44, 42,153,900.96 and 18,625,182.34 is: 25,703,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545,669.44 : 42,153,900.96 = 18,625,182.34 : x
  2. Step 2: Convert to fraction form
    30,545,669.44/42,153,900.96 = 18,625,182.34/x
  3. Step 3: Cross multiply
    30,545,669.44x = 42,153,900.96 × 18,625,182.34
  4. Step 4: Simplify right side
    30,545,669.44x = 785,124,091,722,301
  5. Step 5: Solve for x
    x = 785,124,091,722,301/30,545,669.44
  6. Step 6: Final answer
    x = 25,703,286.46

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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.