Home / 9,258,418.47-12,776,173.56-5,128,170.96

Finding the Fourth Proportional to 9,258,418.47, 12,776,173.56 and 5,128,170.96

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Solution

The fourth proportional to 9,258,418.47, 12,776,173.56 and 5,128,170.96 is: 7,076,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258,418.47 : 12,776,173.56 = 5,128,170.96 : x
  2. Step 2: Convert to fraction form
    9,258,418.47/12,776,173.56 = 5,128,170.96/x
  3. Step 3: Cross multiply
    9,258,418.47x = 12,776,173.56 × 5,128,170.96
  4. Step 4: Simplify right side
    9,258,418.47x = 65,518,402,230,311.82
  5. Step 5: Solve for x
    x = 65,518,402,230,311.82/9,258,418.47
  6. Step 6: Final answer
    x = 7,076,630.04

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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.