Home / 9,111,639.40-13,669,532.70-5,323,172.20

Finding the Fourth Proportional to 9,111,639.40, 13,669,532.70 and 5,323,172.20

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Solution

The fourth proportional to 9,111,639.40, 13,669,532.70 and 5,323,172.20 is: 7,985,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111,639.40 : 13,669,532.70 = 5,323,172.20 : x
  2. Step 2: Convert to fraction form
    9,111,639.40/13,669,532.70 = 5,323,172.20/x
  3. Step 3: Cross multiply
    9,111,639.40x = 13,669,532.70 × 5,323,172.20
  4. Step 4: Simplify right side
    9,111,639.40x = 72,765,276,455,630.94
  5. Step 5: Solve for x
    x = 72,765,276,455,630.94/9,111,639.40
  6. Step 6: Final answer
    x = 7,985,969.73

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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.