Home / 31,008,953.05-46,509,880.46-8,291,621.77

Finding the Fourth Proportional to 31,008,953.05, 46,509,880.46 and 8,291,621.77

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Solution

The fourth proportional to 31,008,953.05, 46,509,880.46 and 8,291,621.77 is: 12,436,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,953.05 : 46,509,880.46 = 8,291,621.77 : x
  2. Step 2: Convert to fraction form
    31,008,953.05/46,509,880.46 = 8,291,621.77/x
  3. Step 3: Cross multiply
    31,008,953.05x = 46,509,880.46 × 8,291,621.77
  4. Step 4: Simplify right side
    31,008,953.05x = 385,642,337,184,500.81
  5. Step 5: Solve for x
    x = 385,642,337,184,500.81/31,008,953.05
  6. Step 6: Final answer
    x = 12,436,483.64

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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.