Home / 30,677,914.98-42,335,493.21-16,926,879.78

Finding the Fourth Proportional to 30,677,914.98, 42,335,493.21 and 16,926,879.78

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Solution

The fourth proportional to 30,677,914.98, 42,335,493.21 and 16,926,879.78 is: 23,359,077.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677,914.98 : 42,335,493.21 = 16,926,879.78 : x
  2. Step 2: Convert to fraction form
    30,677,914.98/42,335,493.21 = 16,926,879.78/x
  3. Step 3: Cross multiply
    30,677,914.98x = 42,335,493.21 × 16,926,879.78
  4. Step 4: Simplify right side
    30,677,914.98x = 716,607,803,992,676.38
  5. Step 5: Solve for x
    x = 716,607,803,992,676.38/30,677,914.98
  6. Step 6: Final answer
    x = 23,359,077.84

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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.