Home / 7,381,135.20-10,185,972.98-4,117,950.60

Finding the Fourth Proportional to 7,381,135.20, 10,185,972.98 and 4,117,950.60

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Solution

The fourth proportional to 7,381,135.20, 10,185,972.98 and 4,117,950.60 is: 5,682,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,135.20 : 10,185,972.98 = 4,117,950.60 : x
  2. Step 2: Convert to fraction form
    7,381,135.20/10,185,972.98 = 4,117,950.60/x
  3. Step 3: Cross multiply
    7,381,135.20x = 10,185,972.98 × 4,117,950.60
  4. Step 4: Simplify right side
    7,381,135.20x = 41,945,333,544,574.79
  5. Step 5: Solve for x
    x = 41,945,333,544,574.79/7,381,135.20
  6. Step 6: Final answer
    x = 5,682,775.40

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1.5x scale

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.