Home / 28,938,661.37-39,934,318.28-16,379,446.52

Finding the Fourth Proportional to 28,938,661.37, 39,934,318.28 and 16,379,446.52

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Solution

The fourth proportional to 28,938,661.37, 39,934,318.28 and 16,379,446.52 is: 22,603,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938,661.37 : 39,934,318.28 = 16,379,446.52 : x
  2. Step 2: Convert to fraction form
    28,938,661.37/39,934,318.28 = 16,379,446.52/x
  3. Step 3: Cross multiply
    28,938,661.37x = 39,934,318.28 × 16,379,446.52
  4. Step 4: Simplify right side
    28,938,661.37x = 654,102,030,579,918.38
  5. Step 5: Solve for x
    x = 654,102,030,579,918.38/28,938,661.37
  6. Step 6: Final answer
    x = 22,603,050.72

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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.