Home / 11,810,729.18-17,709,682.88-5,326,217.40

Finding the Fourth Proportional to 11,810,729.18, 17,709,682.88 and 5,326,217.40

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Solution

The fourth proportional to 11,810,729.18, 17,709,682.88 and 5,326,217.40 is: 7,986,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810,729.18 : 17,709,682.88 = 5,326,217.40 : x
  2. Step 2: Convert to fraction form
    11,810,729.18/17,709,682.88 = 5,326,217.40/x
  3. Step 3: Cross multiply
    11,810,729.18x = 17,709,682.88 × 5,326,217.40
  4. Step 4: Simplify right side
    11,810,729.18x = 94,325,621,103,938.11
  5. Step 5: Solve for x
    x = 94,325,621,103,938.11/11,810,729.18
  6. Step 6: Final answer
    x = 7,986,435.02

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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.