Home / 12,426,129.19-18,640,271.19-3,792,173.63

Finding the Fourth Proportional to 12,426,129.19, 18,640,271.19 and 3,792,173.63

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Solution

The fourth proportional to 12,426,129.19, 18,640,271.19 and 3,792,173.63 is: 5,688,589.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,129.19 : 18,640,271.19 = 3,792,173.63 : x
  2. Step 2: Convert to fraction form
    12,426,129.19/18,640,271.19 = 3,792,173.63/x
  3. Step 3: Cross multiply
    12,426,129.19x = 18,640,271.19 × 3,792,173.63
  4. Step 4: Simplify right side
    12,426,129.19x = 70,687,144,862,766.72
  5. Step 5: Solve for x
    x = 70,687,144,862,766.72/12,426,129.19
  6. Step 6: Final answer
    x = 5,688,589.25

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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.