Home / 19,701,244.20-29,551,866.30-12,142,972.20

Finding the Fourth Proportional to 19,701,244.20, 29,551,866.30 and 12,142,972.20

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Solution

The fourth proportional to 19,701,244.20, 29,551,866.30 and 12,142,972.20 is: 18,214,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701,244.20 : 29,551,866.30 = 12,142,972.20 : x
  2. Step 2: Convert to fraction form
    19,701,244.20/29,551,866.30 = 12,142,972.20/x
  3. Step 3: Cross multiply
    19,701,244.20x = 29,551,866.30 × 12,142,972.20
  4. Step 4: Simplify right side
    19,701,244.20x = 358,847,490,939,016.88
  5. Step 5: Solve for x
    x = 358,847,490,939,016.88/19,701,244.20
  6. Step 6: Final answer
    x = 18,214,458.30

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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.