Home / 18,870,415.46-28,302,469.64-5,224,941.18

Finding the Fourth Proportional to 18,870,415.46, 28,302,469.64 and 5,224,941.18

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Solution

The fourth proportional to 18,870,415.46, 28,302,469.64 and 5,224,941.18 is: 7,836,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870,415.46 : 28,302,469.64 = 5,224,941.18 : x
  2. Step 2: Convert to fraction form
    18,870,415.46/28,302,469.64 = 5,224,941.18/x
  3. Step 3: Cross multiply
    18,870,415.46x = 28,302,469.64 × 5,224,941.18
  4. Step 4: Simplify right side
    18,870,415.46x = 147,878,739,111,204.59
  5. Step 5: Solve for x
    x = 147,878,739,111,204.59/18,870,415.46
  6. Step 6: Final answer
    x = 7,836,538.60

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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.