Home / 13,261,476.96-19,892,216.16-3,676,855.68

Finding the Fourth Proportional to 13,261,476.96, 19,892,216.16 and 3,676,855.68

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Solution

The fourth proportional to 13,261,476.96, 19,892,216.16 and 3,676,855.68 is: 5,515,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,476.96 : 19,892,216.16 = 3,676,855.68 : x
  2. Step 2: Convert to fraction form
    13,261,476.96/19,892,216.16 = 3,676,855.68/x
  3. Step 3: Cross multiply
    13,261,476.96x = 19,892,216.16 × 3,676,855.68
  4. Step 4: Simplify right side
    13,261,476.96x = 73,140,807,975,683.80
  5. Step 5: Solve for x
    x = 73,140,807,975,683.80/13,261,476.96
  6. Step 6: Final answer
    x = 5,515,283.72

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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.