Home / 13,353,990.95-20,020,521.94-5,273,015.36

Finding the Fourth Proportional to 13,353,990.95, 20,020,521.94 and 5,273,015.36

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Solution

The fourth proportional to 13,353,990.95, 20,020,521.94 and 5,273,015.36 is: 7,905,390.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,990.95 : 20,020,521.94 = 5,273,015.36 : x
  2. Step 2: Convert to fraction form
    13,353,990.95/20,020,521.94 = 5,273,015.36/x
  3. Step 3: Cross multiply
    13,353,990.95x = 20,020,521.94 × 5,273,015.36
  4. Step 4: Simplify right side
    13,353,990.95x = 105,568,519,591,551.86
  5. Step 5: Solve for x
    x = 105,568,519,591,551.86/13,353,990.95
  6. Step 6: Final answer
    x = 7,905,390.98

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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.