Home / 12,621,116.85-18,931,675.17-3,036,495.27

Finding the Fourth Proportional to 12,621,116.85, 18,931,675.17 and 3,036,495.27

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Solution

The fourth proportional to 12,621,116.85, 18,931,675.17 and 3,036,495.27 is: 4,554,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,116.85 : 18,931,675.17 = 3,036,495.27 : x
  2. Step 2: Convert to fraction form
    12,621,116.85/18,931,675.17 = 3,036,495.27/x
  3. Step 3: Cross multiply
    12,621,116.85x = 18,931,675.17 × 3,036,495.27
  4. Step 4: Simplify right side
    12,621,116.85x = 57,485,941,997,040.59
  5. Step 5: Solve for x
    x = 57,485,941,997,040.59/12,621,116.85
  6. Step 6: Final answer
    x = 4,554,742.87

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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.