Home / 9,108,825.47-12,570,168.48-4,978,883.73

Finding the Fourth Proportional to 9,108,825.47, 12,570,168.48 and 4,978,883.73

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Solution

The fourth proportional to 9,108,825.47, 12,570,168.48 and 4,978,883.73 is: 6,870,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,825.47 : 12,570,168.48 = 4,978,883.73 : x
  2. Step 2: Convert to fraction form
    9,108,825.47/12,570,168.48 = 4,978,883.73/x
  3. Step 3: Cross multiply
    9,108,825.47x = 12,570,168.48 × 4,978,883.73
  4. Step 4: Simplify right side
    9,108,825.47x = 62,585,407,328,430.84
  5. Step 5: Solve for x
    x = 62,585,407,328,430.84/9,108,825.47
  6. Step 6: Final answer
    x = 6,870,853.72

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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.