Home / 28,605,765.71-39,477,306.27-16,216,099.26

Finding the Fourth Proportional to 28,605,765.71, 39,477,306.27 and 16,216,099.26

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Solution

The fourth proportional to 28,605,765.71, 39,477,306.27 and 16,216,099.26 is: 22,378,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605,765.71 : 39,477,306.27 = 16,216,099.26 : x
  2. Step 2: Convert to fraction form
    28,605,765.71/39,477,306.27 = 16,216,099.26/x
  3. Step 3: Cross multiply
    28,605,765.71x = 39,477,306.27 × 16,216,099.26
  4. Step 4: Simplify right side
    28,605,765.71x = 640,167,916,991,740.38
  5. Step 5: Solve for x
    x = 640,167,916,991,740.38/28,605,765.71
  6. Step 6: Final answer
    x = 22,378,982.04

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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.