Home / 20,093,196.60-30,139,794.90-7,312,040.55

Finding the Fourth Proportional to 20,093,196.60, 30,139,794.90 and 7,312,040.55

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Solution

The fourth proportional to 20,093,196.60, 30,139,794.90 and 7,312,040.55 is: 10,968,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093,196.60 : 30,139,794.90 = 7,312,040.55 : x
  2. Step 2: Convert to fraction form
    20,093,196.60/30,139,794.90 = 7,312,040.55/x
  3. Step 3: Cross multiply
    20,093,196.60x = 30,139,794.90 × 7,312,040.55
  4. Step 4: Simplify right side
    20,093,196.60x = 220,383,402,477,483.19
  5. Step 5: Solve for x
    x = 220,383,402,477,483.19/20,093,196.60
  6. Step 6: Final answer
    x = 10,968,060.83

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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.