Home / 28,920,826.78-43,381,052.89-7,355,242.13

Finding the Fourth Proportional to 28,920,826.78, 43,381,052.89 and 7,355,242.13

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Solution

The fourth proportional to 28,920,826.78, 43,381,052.89 and 7,355,242.13 is: 11,032,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,920,826.78 : 43,381,052.89 = 7,355,242.13 : x
  2. Step 2: Convert to fraction form
    28,920,826.78/43,381,052.89 = 7,355,242.13/x
  3. Step 3: Cross multiply
    28,920,826.78x = 43,381,052.89 × 7,355,242.13
  4. Step 4: Simplify right side
    28,920,826.78x = 319,078,147,624,992.94
  5. Step 5: Solve for x
    x = 319,078,147,624,992.94/28,920,826.78
  6. Step 6: Final answer
    x = 11,032,815.56

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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.