Home / 28,938,301.68-39,933,822.98-16,379,086.79

Finding the Fourth Proportional to 28,938,301.68, 39,933,822.98 and 16,379,086.79

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Solution

The fourth proportional to 28,938,301.68, 39,933,822.98 and 16,379,086.79 is: 22,602,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938,301.68 : 39,933,822.98 = 16,379,086.79 : x
  2. Step 2: Convert to fraction form
    28,938,301.68/39,933,822.98 = 16,379,086.79/x
  3. Step 3: Cross multiply
    28,938,301.68x = 39,933,822.98 × 16,379,086.79
  4. Step 4: Simplify right side
    28,938,301.68x = 654,079,552,436,946.88
  5. Step 5: Solve for x
    x = 654,079,552,436,946.88/28,938,301.68
  6. Step 6: Final answer
    x = 22,602,554.90

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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.