Home / 11,852,955.40-17,779,433.10-8,199,790.60

Finding the Fourth Proportional to 11,852,955.40, 17,779,433.10 and 8,199,790.60

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Solution

The fourth proportional to 11,852,955.40, 17,779,433.10 and 8,199,790.60 is: 12,299,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852,955.40 : 17,779,433.10 = 8,199,790.60 : x
  2. Step 2: Convert to fraction form
    11,852,955.40/17,779,433.10 = 8,199,790.60/x
  3. Step 3: Cross multiply
    11,852,955.40x = 17,779,433.10 × 8,199,790.60
  4. Step 4: Simplify right side
    11,852,955.40x = 145,787,628,406,708.88
  5. Step 5: Solve for x
    x = 145,787,628,406,708.88/11,852,955.40
  6. Step 6: Final answer
    x = 12,299,685.90

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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.