Home / 25,581,568.34-38,368,231.38-7,137,990.45

Finding the Fourth Proportional to 25,581,568.34, 38,368,231.38 and 7,137,990.45

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Solution

The fourth proportional to 25,581,568.34, 38,368,231.38 and 7,137,990.45 is: 10,705,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,581,568.34 : 38,368,231.38 = 7,137,990.45 : x
  2. Step 2: Convert to fraction form
    25,581,568.34/38,368,231.38 = 7,137,990.45/x
  3. Step 3: Cross multiply
    25,581,568.34x = 38,368,231.38 × 7,137,990.45
  4. Step 4: Simplify right side
    25,581,568.34x = 273,872,069,173,830.34
  5. Step 5: Solve for x
    x = 273,872,069,173,830.34/25,581,568.34
  6. Step 6: Final answer
    x = 10,705,835.76

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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.