Home / 30,726,999.48-42,402,757.67-16,788,054.61

Finding the Fourth Proportional to 30,726,999.48, 42,402,757.67 and 16,788,054.61

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Solution

The fourth proportional to 30,726,999.48, 42,402,757.67 and 16,788,054.61 is: 23,167,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726,999.48 : 42,402,757.67 = 16,788,054.61 : x
  2. Step 2: Convert to fraction form
    30,726,999.48/42,402,757.67 = 16,788,054.61/x
  3. Step 3: Cross multiply
    30,726,999.48x = 42,402,757.67 × 16,788,054.61
  4. Step 4: Simplify right side
    30,726,999.48x = 711,859,811,410,574.75
  5. Step 5: Solve for x
    x = 711,859,811,410,574.75/30,726,999.48
  6. Step 6: Final answer
    x = 23,167,241.30

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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.