Home / 13,436,556.60-20,154,834.90-9,657,420.60

Finding the Fourth Proportional to 13,436,556.60, 20,154,834.90 and 9,657,420.60

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Solution

The fourth proportional to 13,436,556.60, 20,154,834.90 and 9,657,420.60 is: 14,486,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,556.60 : 20,154,834.90 = 9,657,420.60 : x
  2. Step 2: Convert to fraction form
    13,436,556.60/20,154,834.90 = 9,657,420.60/x
  3. Step 3: Cross multiply
    13,436,556.60x = 20,154,834.90 × 9,657,420.60
  4. Step 4: Simplify right side
    13,436,556.60x = 194,643,717,752,858.91
  5. Step 5: Solve for x
    x = 194,643,717,752,858.91/13,436,556.60
  6. Step 6: Final answer
    x = 14,486,130.90

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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.