Home / 17,021,804.20-25,551,368.70-10,639,263.40

Finding the Fourth Proportional to 17,021,804.20, 25,551,368.70 and 10,639,263.40

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Solution

The fourth proportional to 17,021,804.20, 25,551,368.70 and 10,639,263.40 is: 15,970,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021,804.20 : 25,551,368.70 = 10,639,263.40 : x
  2. Step 2: Convert to fraction form
    17,021,804.20/25,551,368.70 = 10,639,263.40/x
  3. Step 3: Cross multiply
    17,021,804.20x = 25,551,368.70 × 10,639,263.40
  4. Step 4: Simplify right side
    17,021,804.20x = 271,847,741,829,815.59
  5. Step 5: Solve for x
    x = 271,847,741,829,815.59/17,021,804.20
  6. Step 6: Final answer
    x = 15,970,559.80

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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.