Home / 28,669,059.23-43,006,065.97-7,919,490.08

Finding the Fourth Proportional to 28,669,059.23, 43,006,065.97 and 7,919,490.08

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Solution

The fourth proportional to 28,669,059.23, 43,006,065.97 and 7,919,490.08 is: 11,879,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669,059.23 : 43,006,065.97 = 7,919,490.08 : x
  2. Step 2: Convert to fraction form
    28,669,059.23/43,006,065.97 = 7,919,490.08/x
  3. Step 3: Cross multiply
    28,669,059.23x = 43,006,065.97 × 7,919,490.08
  4. Step 4: Simplify right side
    28,669,059.23x = 340,586,112,829,240.56
  5. Step 5: Solve for x
    x = 340,586,112,829,240.56/28,669,059.23
  6. Step 6: Final answer
    x = 11,879,919.40

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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.