Home / 8,314,719.40-12,472,079.10-7,390,930.60

Finding the Fourth Proportional to 8,314,719.40, 12,472,079.10 and 7,390,930.60

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Solution

The fourth proportional to 8,314,719.40, 12,472,079.10 and 7,390,930.60 is: 11,086,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314,719.40 : 12,472,079.10 = 7,390,930.60 : x
  2. Step 2: Convert to fraction form
    8,314,719.40/12,472,079.10 = 7,390,930.60/x
  3. Step 3: Cross multiply
    8,314,719.40x = 12,472,079.10 × 7,390,930.60
  4. Step 4: Simplify right side
    8,314,719.40x = 92,180,271,065,810.45
  5. Step 5: Solve for x
    x = 92,180,271,065,810.45/8,314,719.40
  6. Step 6: Final answer
    x = 11,086,395.90

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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.