Home / 19,947,022.40-29,920,541.80-4,800,953.88

Finding the Fourth Proportional to 19,947,022.40, 29,920,541.80 and 4,800,953.88

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Solution

The fourth proportional to 19,947,022.40, 29,920,541.80 and 4,800,953.88 is: 7,201,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947,022.40 : 29,920,541.80 = 4,800,953.88 : x
  2. Step 2: Convert to fraction form
    19,947,022.40/29,920,541.80 = 4,800,953.88/x
  3. Step 3: Cross multiply
    19,947,022.40x = 29,920,541.80 × 4,800,953.88
  4. Step 4: Simplify right side
    19,947,022.40x = 143,647,141,246,412.19
  5. Step 5: Solve for x
    x = 143,647,141,246,412.19/19,947,022.40
  6. Step 6: Final answer
    x = 7,201,432.79

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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.