Home / 9,729,465.48-13,430,451.06-8,709,105.80

Finding the Fourth Proportional to 9,729,465.48, 13,430,451.06 and 8,709,105.80

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Solution

The fourth proportional to 9,729,465.48, 13,430,451.06 and 8,709,105.80 is: 12,021,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729,465.48 : 13,430,451.06 = 8,709,105.80 : x
  2. Step 2: Convert to fraction form
    9,729,465.48/13,430,451.06 = 8,709,105.80/x
  3. Step 3: Cross multiply
    9,729,465.48x = 13,430,451.06 × 8,709,105.80
  4. Step 4: Simplify right side
    9,729,465.48x = 116,967,219,223,262.16
  5. Step 5: Solve for x
    x = 116,967,219,223,262.16/9,729,465.48
  6. Step 6: Final answer
    x = 12,021,957.37

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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.