Home / 7,229,885.45-9,977,061.60-4,047,268.91

Finding the Fourth Proportional to 7,229,885.45, 9,977,061.60 and 4,047,268.91

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Solution

The fourth proportional to 7,229,885.45, 9,977,061.60 and 4,047,268.91 is: 5,585,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229,885.45 : 9,977,061.60 = 4,047,268.91 : x
  2. Step 2: Convert to fraction form
    7,229,885.45/9,977,061.60 = 4,047,268.91/x
  3. Step 3: Cross multiply
    7,229,885.45x = 9,977,061.60 × 4,047,268.91
  4. Step 4: Simplify right side
    7,229,885.45x = 40,379,851,176,949.55
  5. Step 5: Solve for x
    x = 40,379,851,176,949.55/7,229,885.45
  6. Step 6: Final answer
    x = 5,585,130.15

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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.