Home / 13,184,834.81-19,782,935.60-7,118,361.95

Finding the Fourth Proportional to 13,184,834.81, 19,782,935.60 and 7,118,361.95

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Solution

The fourth proportional to 13,184,834.81, 19,782,935.60 and 7,118,361.95 is: 10,680,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,834.81 : 19,782,935.60 = 7,118,361.95 : x
  2. Step 2: Convert to fraction form
    13,184,834.81/19,782,935.60 = 7,118,361.95/x
  3. Step 3: Cross multiply
    13,184,834.81x = 19,782,935.60 × 7,118,361.95
  4. Step 4: Simplify right side
    13,184,834.81x = 140,822,095,899,833.94
  5. Step 5: Solve for x
    x = 140,822,095,899,833.94/13,184,834.81
  6. Step 6: Final answer
    x = 10,680,611.32

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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.