Home / 25,543,500.40-38,315,250.60-10,389,631.60

Finding the Fourth Proportional to 25,543,500.40, 38,315,250.60 and 10,389,631.60

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Solution

The fourth proportional to 25,543,500.40, 38,315,250.60 and 10,389,631.60 is: 15,584,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,543,500.40 : 38,315,250.60 = 10,389,631.60 : x
  2. Step 2: Convert to fraction form
    25,543,500.40/38,315,250.60 = 10,389,631.60/x
  3. Step 3: Cross multiply
    25,543,500.40x = 38,315,250.60 × 10,389,631.60
  4. Step 4: Simplify right side
    25,543,500.40x = 398,081,338,395,678.94
  5. Step 5: Solve for x
    x = 398,081,338,395,678.94/25,543,500.40
  6. Step 6: Final answer
    x = 15,584,447.40

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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.