Home / 19,959,640.20-29,939,460.30-12,401,368.20

Finding the Fourth Proportional to 19,959,640.20, 29,939,460.30 and 12,401,368.20

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Solution

The fourth proportional to 19,959,640.20, 29,939,460.30 and 12,401,368.20 is: 18,602,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959,640.20 : 29,939,460.30 = 12,401,368.20 : x
  2. Step 2: Convert to fraction form
    19,959,640.20/29,939,460.30 = 12,401,368.20/x
  3. Step 3: Cross multiply
    19,959,640.20x = 29,939,460.30 × 12,401,368.20
  4. Step 4: Simplify right side
    19,959,640.20x = 371,290,270,889,582.44
  5. Step 5: Solve for x
    x = 371,290,270,889,582.44/19,959,640.20
  6. Step 6: Final answer
    x = 18,602,052.30

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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.