Home / 12,178,113.51-18,273,172.01-5,701,627.20

Finding the Fourth Proportional to 12,178,113.51, 18,273,172.01 and 5,701,627.20

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Solution

The fourth proportional to 12,178,113.51, 18,273,172.01 and 5,701,627.20 is: 8,555,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,113.51 : 18,273,172.01 = 5,701,627.20 : x
  2. Step 2: Convert to fraction form
    12,178,113.51/18,273,172.01 = 5,701,627.20/x
  3. Step 3: Cross multiply
    12,178,113.51x = 18,273,172.01 × 5,701,627.20
  4. Step 4: Simplify right side
    12,178,113.51x = 104,186,814,533,986.53
  5. Step 5: Solve for x
    x = 104,186,814,533,986.53/12,178,113.51
  6. Step 6: Final answer
    x = 8,555,250.73

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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.