Home / 18,710,515.50-28,065,774.33-4,527,091.50

Finding the Fourth Proportional to 18,710,515.50, 28,065,774.33 and 4,527,091.50

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Solution

The fourth proportional to 18,710,515.50, 28,065,774.33 and 4,527,091.50 is: 6,790,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710,515.50 : 28,065,774.33 = 4,527,091.50 : x
  2. Step 2: Convert to fraction form
    18,710,515.50/28,065,774.33 = 4,527,091.50/x
  3. Step 3: Cross multiply
    18,710,515.50x = 28,065,774.33 × 4,527,091.50
  4. Step 4: Simplify right side
    18,710,515.50x = 127,056,328,410,261.19
  5. Step 5: Solve for x
    x = 127,056,328,410,261.19/18,710,515.50
  6. Step 6: Final answer
    x = 6,790,637.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.