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Finding the Fourth Proportional to 9,868,991.40, 14,803,487.10 and 3,477,119.40

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Solution

The fourth proportional to 9,868,991.40, 14,803,487.10 and 3,477,119.40 is: 5,215,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868,991.40 : 14,803,487.10 = 3,477,119.40 : x
  2. Step 2: Convert to fraction form
    9,868,991.40/14,803,487.10 = 3,477,119.40/x
  3. Step 3: Cross multiply
    9,868,991.40x = 14,803,487.10 × 3,477,119.40
  4. Step 4: Simplify right side
    9,868,991.40x = 51,473,492,183,059.73
  5. Step 5: Solve for x
    x = 51,473,492,183,059.73/9,868,991.40
  6. Step 6: Final answer
    x = 5,215,679.10

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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.