Home / 30,716,119.71-42,387,993.21-16,777,483.68

Finding the Fourth Proportional to 30,716,119.71, 42,387,993.21 and 16,777,483.68

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Solution

The fourth proportional to 30,716,119.71, 42,387,993.21 and 16,777,483.68 is: 23,152,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,716,119.71 : 42,387,993.21 = 16,777,483.68 : x
  2. Step 2: Convert to fraction form
    30,716,119.71/42,387,993.21 = 16,777,483.68/x
  3. Step 3: Cross multiply
    30,716,119.71x = 42,387,993.21 × 16,777,483.68
  4. Step 4: Simplify right side
    30,716,119.71x = 711,163,864,308,725.88
  5. Step 5: Solve for x
    x = 711,163,864,308,725.88/30,716,119.71
  6. Step 6: Final answer
    x = 23,152,789.84

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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.