Home / 30,633,637.60-42,274,420.08-16,882,601.92

Finding the Fourth Proportional to 30,633,637.60, 42,274,420.08 and 16,882,601.92

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Solution

The fourth proportional to 30,633,637.60, 42,274,420.08 and 16,882,601.92 is: 23,297,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,633,637.60 : 42,274,420.08 = 16,882,601.92 : x
  2. Step 2: Convert to fraction form
    30,633,637.60/42,274,420.08 = 16,882,601.92/x
  3. Step 3: Cross multiply
    30,633,637.60x = 42,274,420.08 × 16,882,601.92
  4. Step 4: Simplify right side
    30,633,637.60x = 713,702,205,609,494.62
  5. Step 5: Solve for x
    x = 713,702,205,609,494.62/30,633,637.60
  6. Step 6: Final answer
    x = 23,297,990.76

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1.5x scale

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.