Home / 19,509,072.90-29,232,116.55-12,307,719.30

Finding the Fourth Proportional to 19,509,072.90, 29,232,116.55 and 12,307,719.30

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Solution

The fourth proportional to 19,509,072.90, 29,232,116.55 and 12,307,719.30 is: 18,441,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509,072.90 : 29,232,116.55 = 12,307,719.30 : x
  2. Step 2: Convert to fraction form
    19,509,072.90/29,232,116.55 = 12,307,719.30/x
  3. Step 3: Cross multiply
    19,509,072.90x = 29,232,116.55 × 12,307,719.30
  4. Step 4: Simplify right side
    19,509,072.90x = 359,780,685,042,284.44
  5. Step 5: Solve for x
    x = 359,780,685,042,284.44/19,509,072.90
  6. Step 6: Final answer
    x = 18,441,711.04

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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.