Home / 28,988,704.41-43,481,921.75-9,819,461.46

Finding the Fourth Proportional to 28,988,704.41, 43,481,921.75 and 9,819,461.46

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Solution

The fourth proportional to 28,988,704.41, 43,481,921.75 and 9,819,461.46 is: 14,728,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988,704.41 : 43,481,921.75 = 9,819,461.46 : x
  2. Step 2: Convert to fraction form
    28,988,704.41/43,481,921.75 = 9,819,461.46/x
  3. Step 3: Cross multiply
    28,988,704.41x = 43,481,921.75 × 9,819,461.46
  4. Step 4: Simplify right side
    28,988,704.41x = 426,969,054,781,763.44
  5. Step 5: Solve for x
    x = 426,969,054,781,763.44/28,988,704.41
  6. Step 6: Final answer
    x = 14,728,807.77

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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.