Home / 9,729,468.48-13,430,455.20-8,709,108.80

Finding the Fourth Proportional to 9,729,468.48, 13,430,455.20 and 8,709,108.80

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Solution

The fourth proportional to 9,729,468.48, 13,430,455.20 and 8,709,108.80 is: 12,021,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729,468.48 : 13,430,455.20 = 8,709,108.80 : x
  2. Step 2: Convert to fraction form
    9,729,468.48/13,430,455.20 = 8,709,108.80/x
  3. Step 3: Cross multiply
    9,729,468.48x = 13,430,455.20 × 8,709,108.80
  4. Step 4: Simplify right side
    9,729,468.48x = 116,967,295,570,325.77
  5. Step 5: Solve for x
    x = 116,967,295,570,325.77/9,729,468.48
  6. Step 6: Final answer
    x = 12,021,961.51

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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.