Home / 12,167,626.40-16,792,825.20-6,941,921.12

Finding the Fourth Proportional to 12,167,626.40, 16,792,825.20 and 6,941,921.12

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Solution

The fourth proportional to 12,167,626.40, 16,792,825.20 and 6,941,921.12 is: 9,580,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167,626.40 : 16,792,825.20 = 6,941,921.12 : x
  2. Step 2: Convert to fraction form
    12,167,626.40/16,792,825.20 = 6,941,921.12/x
  3. Step 3: Cross multiply
    12,167,626.40x = 16,792,825.20 × 6,941,921.12
  4. Step 4: Simplify right side
    12,167,626.40x = 116,574,467,920,348.22
  5. Step 5: Solve for x
    x = 116,574,467,920,348.22/12,167,626.40
  6. Step 6: Final answer
    x = 9,580,707.37

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1.5x scale

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.