Home / 19,179,020.16-28,779,880.38-7,056,996.27

Finding the Fourth Proportional to 19,179,020.16, 28,779,880.38 and 7,056,996.27

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Solution

The fourth proportional to 19,179,020.16, 28,779,880.38 and 7,056,996.27 is: 10,589,670.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,020.16 : 28,779,880.38 = 7,056,996.27 : x
  2. Step 2: Convert to fraction form
    19,179,020.16/28,779,880.38 = 7,056,996.27/x
  3. Step 3: Cross multiply
    19,179,020.16x = 28,779,880.38 × 7,056,996.27
  4. Step 4: Simplify right side
    19,179,020.16x = 203,099,508,492,706.16
  5. Step 5: Solve for x
    x = 203,099,508,492,706.16/19,179,020.16
  6. Step 6: Final answer
    x = 10,589,670.73

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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.