Home / 28,665,176.05-39,562,435.71-16,905,736.93

Finding the Fourth Proportional to 28,665,176.05, 39,562,435.71 and 16,905,736.93

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Solution

The fourth proportional to 28,665,176.05, 39,562,435.71 and 16,905,736.93 is: 23,332,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,665,176.05 : 39,562,435.71 = 16,905,736.93 : x
  2. Step 2: Convert to fraction form
    28,665,176.05/39,562,435.71 = 16,905,736.93/x
  3. Step 3: Cross multiply
    28,665,176.05x = 39,562,435.71 × 16,905,736.93
  4. Step 4: Simplify right side
    28,665,176.05x = 668,832,130,225,485.62
  5. Step 5: Solve for x
    x = 668,832,130,225,485.62/28,665,176.05
  6. Step 6: Final answer
    x = 23,332,566.64

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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.