Home / 19,780,789.20-29,698,361.97-10,071,924.94

Finding the Fourth Proportional to 19,780,789.20, 29,698,361.97 and 10,071,924.94

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Solution

The fourth proportional to 19,780,789.20, 29,698,361.97 and 10,071,924.94 is: 15,121,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780,789.20 : 29,698,361.97 = 10,071,924.94 : x
  2. Step 2: Convert to fraction form
    19,780,789.20/29,698,361.97 = 10,071,924.94/x
  3. Step 3: Cross multiply
    19,780,789.20x = 29,698,361.97 × 10,071,924.94
  4. Step 4: Simplify right side
    19,780,789.20x = 299,119,672,602,790.50
  5. Step 5: Solve for x
    x = 299,119,672,602,790.50/19,780,789.20
  6. Step 6: Final answer
    x = 15,121,725.91

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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.