Home / 7,380,667.78-10,185,325.93-4,117,482.50

Finding the Fourth Proportional to 7,380,667.78, 10,185,325.93 and 4,117,482.50

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Solution

The fourth proportional to 7,380,667.78, 10,185,325.93 and 4,117,482.50 is: 5,682,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,667.78 : 10,185,325.93 = 4,117,482.50 : x
  2. Step 2: Convert to fraction form
    7,380,667.78/10,185,325.93 = 4,117,482.50/x
  3. Step 3: Cross multiply
    7,380,667.78x = 10,185,325.93 × 4,117,482.50
  4. Step 4: Simplify right side
    7,380,667.78x = 41,937,901,278,447.13
  5. Step 5: Solve for x
    x = 41,937,901,278,447.13/7,380,667.78
  6. Step 6: Final answer
    x = 5,682,128.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.