Home / 9,520,077.85-13,137,722.99-5,169,172.57

Finding the Fourth Proportional to 9,520,077.85, 13,137,722.99 and 5,169,172.57

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Solution

The fourth proportional to 9,520,077.85, 13,137,722.99 and 5,169,172.57 is: 7,133,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520,077.85 : 13,137,722.99 = 5,169,172.57 : x
  2. Step 2: Convert to fraction form
    9,520,077.85/13,137,722.99 = 5,169,172.57/x
  3. Step 3: Cross multiply
    9,520,077.85x = 13,137,722.99 × 5,169,172.57
  4. Step 4: Simplify right side
    9,520,077.85x = 67,911,157,312,166.39
  5. Step 5: Solve for x
    x = 67,911,157,312,166.39/9,520,077.85
  6. Step 6: Final answer
    x = 7,133,466.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.