Home / 10,485,626.93-15,708,289.91-6,430,289.23

Finding the Fourth Proportional to 10,485,626.93, 15,708,289.91 and 6,430,289.23

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Solution

The fourth proportional to 10,485,626.93, 15,708,289.91 and 6,430,289.23 is: 9,633,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485,626.93 : 15,708,289.91 = 6,430,289.23 : x
  2. Step 2: Convert to fraction form
    10,485,626.93/15,708,289.91 = 6,430,289.23/x
  3. Step 3: Cross multiply
    10,485,626.93x = 15,708,289.91 × 6,430,289.23
  4. Step 4: Simplify right side
    10,485,626.93x = 101,008,847,406,795.67
  5. Step 5: Solve for x
    x = 101,008,847,406,795.67/10,485,626.93
  6. Step 6: Final answer
    x = 9,633,076.60

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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.