Home / 28,637,391.64-39,527,928.12-18,715,766.84

Finding the Fourth Proportional to 28,637,391.64, 39,527,928.12 and 18,715,766.84

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Solution

The fourth proportional to 28,637,391.64, 39,527,928.12 and 18,715,766.84 is: 25,833,200.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637,391.64 : 39,527,928.12 = 18,715,766.84 : x
  2. Step 2: Convert to fraction form
    28,637,391.64/39,527,928.12 = 18,715,766.84/x
  3. Step 3: Cross multiply
    28,637,391.64x = 39,527,928.12 × 18,715,766.84
  4. Step 4: Simplify right side
    28,637,391.64x = 739,795,486,362,199.50
  5. Step 5: Solve for x
    x = 739,795,486,362,199.50/28,637,391.64
  6. Step 6: Final answer
    x = 25,833,200.72

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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.