Home / 30,721,777.39-42,396,677.77-16,784,035.23

Finding the Fourth Proportional to 30,721,777.39, 42,396,677.77 and 16,784,035.23

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Solution

The fourth proportional to 30,721,777.39, 42,396,677.77 and 16,784,035.23 is: 23,162,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721,777.39 : 42,396,677.77 = 16,784,035.23 : x
  2. Step 2: Convert to fraction form
    30,721,777.39/42,396,677.77 = 16,784,035.23/x
  3. Step 3: Cross multiply
    30,721,777.39x = 42,396,677.77 × 16,784,035.23
  4. Step 4: Simplify right side
    30,721,777.39x = 711,587,333,390,669.50
  5. Step 5: Solve for x
    x = 711,587,333,390,669.50/30,721,777.39
  6. Step 6: Final answer
    x = 23,162,310.06

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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.