Home / 12,455,627.40-18,683,441.10-6,716,064.60

Finding the Fourth Proportional to 12,455,627.40, 18,683,441.10 and 6,716,064.60

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Solution

The fourth proportional to 12,455,627.40, 18,683,441.10 and 6,716,064.60 is: 10,074,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,627.40 : 18,683,441.10 = 6,716,064.60 : x
  2. Step 2: Convert to fraction form
    12,455,627.40/18,683,441.10 = 6,716,064.60/x
  3. Step 3: Cross multiply
    12,455,627.40x = 18,683,441.10 × 6,716,064.60
  4. Step 4: Simplify right side
    12,455,627.40x = 125,479,197,377,895.06
  5. Step 5: Solve for x
    x = 125,479,197,377,895.06/12,455,627.40
  6. Step 6: Final answer
    x = 10,074,096.90

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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.