Home / 18,769,211.87-28,143,554.42-14,903,501.16

Finding the Fourth Proportional to 18,769,211.87, 28,143,554.42 and 14,903,501.16

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Solution

The fourth proportional to 18,769,211.87, 28,143,554.42 and 14,903,501.16 is: 22,347,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769,211.87 : 28,143,554.42 = 14,903,501.16 : x
  2. Step 2: Convert to fraction form
    18,769,211.87/28,143,554.42 = 14,903,501.16/x
  3. Step 3: Cross multiply
    18,769,211.87x = 28,143,554.42 × 14,903,501.16
  4. Step 4: Simplify right side
    18,769,211.87x = 419,437,495,929,482.69
  5. Step 5: Solve for x
    x = 419,437,495,929,482.69/18,769,211.87
  6. Step 6: Final answer
    x = 22,347,102.21

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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.