Home / 10,863,982.40-16,297,941.90-5,459,030.60

Finding the Fourth Proportional to 10,863,982.40, 16,297,941.90 and 5,459,030.60

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Solution

The fourth proportional to 10,863,982.40, 16,297,941.90 and 5,459,030.60 is: 8,189,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,982.40 : 16,297,941.90 = 5,459,030.60 : x
  2. Step 2: Convert to fraction form
    10,863,982.40/16,297,941.90 = 5,459,030.60/x
  3. Step 3: Cross multiply
    10,863,982.40x = 16,297,941.90 × 5,459,030.60
  4. Step 4: Simplify right side
    10,863,982.40x = 88,970,963,549,122.14
  5. Step 5: Solve for x
    x = 88,970,963,549,122.14/10,863,982.40
  6. Step 6: Final answer
    x = 8,189,534.95

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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.