Home / 28,665,174.04-39,562,432.95-16,905,734.93

Finding the Fourth Proportional to 28,665,174.04, 39,562,432.95 and 16,905,734.93

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Solution

The fourth proportional to 28,665,174.04, 39,562,432.95 and 16,905,734.93 is: 23,332,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665,174.04 : 39,562,432.95 = 16,905,734.93 : x
  2. Step 2: Convert to fraction form
    28,665,174.04/39,562,432.95 = 16,905,734.93/x
  3. Step 3: Cross multiply
    28,665,174.04x = 39,562,432.95 × 16,905,734.93
  4. Step 4: Simplify right side
    28,665,174.04x = 668,832,004,483,267
  5. Step 5: Solve for x
    x = 668,832,004,483,267/28,665,174.04
  6. Step 6: Final answer
    x = 23,332,563.88

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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.