Home / 28,445,186.61-42,667,800.72-6,879,809.07

Finding the Fourth Proportional to 28,445,186.61, 42,667,800.72 and 6,879,809.07

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Solution

The fourth proportional to 28,445,186.61, 42,667,800.72 and 6,879,809.07 is: 10,319,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445,186.61 : 42,667,800.72 = 6,879,809.07 : x
  2. Step 2: Convert to fraction form
    28,445,186.61/42,667,800.72 = 6,879,809.07/x
  3. Step 3: Cross multiply
    28,445,186.61x = 42,667,800.72 × 6,879,809.07
  4. Step 4: Simplify right side
    28,445,186.61x = 293,546,322,390,408.56
  5. Step 5: Solve for x
    x = 293,546,322,390,408.56/28,445,186.61
  6. Step 6: Final answer
    x = 10,319,718.64

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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.