Home / 7,076,719.93-9,765,319.74-3,937,091.89

Finding the Fourth Proportional to 7,076,719.93, 9,765,319.74 and 3,937,091.89

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Solution

The fourth proportional to 7,076,719.93, 9,765,319.74 and 3,937,091.89 is: 5,432,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076,719.93 : 9,765,319.74 = 3,937,091.89 : x
  2. Step 2: Convert to fraction form
    7,076,719.93/9,765,319.74 = 3,937,091.89/x
  3. Step 3: Cross multiply
    7,076,719.93x = 9,765,319.74 × 3,937,091.89
  4. Step 4: Simplify right side
    7,076,719.93x = 38,446,961,151,610.91
  5. Step 5: Solve for x
    x = 38,446,961,151,610.91/7,076,719.93
  6. Step 6: Final answer
    x = 5,432,878.73

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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.