Home / 7,977,466.64-11,969,937-3,931,749.01

Finding the Fourth Proportional to 7,977,466.64, 11,969,937 and 3,931,749.01

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Solution

The fourth proportional to 7,977,466.64, 11,969,937 and 3,931,749.01 is: 5,899,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977,466.64 : 11,969,937 = 3,931,749.01 : x
  2. Step 2: Convert to fraction form
    7,977,466.64/11,969,937 = 3,931,749.01/x
  3. Step 3: Cross multiply
    7,977,466.64x = 11,969,937 × 3,931,749.01
  4. Step 4: Simplify right side
    7,977,466.64x = 47,062,787,964,474.79
  5. Step 5: Solve for x
    x = 47,062,787,964,474.79/7,977,466.64
  6. Step 6: Final answer
    x = 5,899,465.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.