Home / 7,112,089.16-9,814,683.95-3,848,904.72

Finding the Fourth Proportional to 7,112,089.16, 9,814,683.95 and 3,848,904.72

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Solution

The fourth proportional to 7,112,089.16, 9,814,683.95 and 3,848,904.72 is: 5,311,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,089.16 : 9,814,683.95 = 3,848,904.72 : x
  2. Step 2: Convert to fraction form
    7,112,089.16/9,814,683.95 = 3,848,904.72/x
  3. Step 3: Cross multiply
    7,112,089.16x = 9,814,683.95 × 3,848,904.72
  4. Step 4: Simplify right side
    7,112,089.16x = 37,775,783,361,218.73
  5. Step 5: Solve for x
    x = 37,775,783,361,218.73/7,112,089.16
  6. Step 6: Final answer
    x = 5,311,489.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.