Home / 28,445,188.62-42,667,803.72-6,879,811.08

Finding the Fourth Proportional to 28,445,188.62, 42,667,803.72 and 6,879,811.08

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Solution

The fourth proportional to 28,445,188.62, 42,667,803.72 and 6,879,811.08 is: 10,319,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445,188.62 : 42,667,803.72 = 6,879,811.08 : x
  2. Step 2: Convert to fraction form
    28,445,188.62/42,667,803.72 = 6,879,811.08/x
  3. Step 3: Cross multiply
    28,445,188.62x = 42,667,803.72 × 6,879,811.08
  4. Step 4: Simplify right side
    28,445,188.62x = 293,546,428,792,121.19
  5. Step 5: Solve for x
    x = 293,546,428,792,121.19/28,445,188.62
  6. Step 6: Final answer
    x = 10,319,721.65

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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.