Home / 9,742,163.78-13,444,212.18-5,391,550.10

Finding the Fourth Proportional to 9,742,163.78, 13,444,212.18 and 5,391,550.10

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Solution

The fourth proportional to 9,742,163.78, 13,444,212.18 and 5,391,550.10 is: 7,440,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742,163.78 : 13,444,212.18 = 5,391,550.10 : x
  2. Step 2: Convert to fraction form
    9,742,163.78/13,444,212.18 = 5,391,550.10/x
  3. Step 3: Cross multiply
    9,742,163.78x = 13,444,212.18 × 5,391,550.10
  4. Step 4: Simplify right side
    9,742,163.78x = 72,485,143,523,500.22
  5. Step 5: Solve for x
    x = 72,485,143,523,500.22/9,742,163.78
  6. Step 6: Final answer
    x = 7,440,353.62

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1.5x scale

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.