Home / 8,806,556.40-13,209,834.60-6,405,327.60

Finding the Fourth Proportional to 8,806,556.40, 13,209,834.60 and 6,405,327.60

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Solution

The fourth proportional to 8,806,556.40, 13,209,834.60 and 6,405,327.60 is: 9,607,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,556.40 : 13,209,834.60 = 6,405,327.60 : x
  2. Step 2: Convert to fraction form
    8,806,556.40/13,209,834.60 = 6,405,327.60/x
  3. Step 3: Cross multiply
    8,806,556.40x = 13,209,834.60 × 6,405,327.60
  4. Step 4: Simplify right side
    8,806,556.40x = 84,613,318,154,814.95
  5. Step 5: Solve for x
    x = 84,613,318,154,814.95/8,806,556.40
  6. Step 6: Final answer
    x = 9,607,991.40

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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.