Home / 7,716,353.10-10,648,048.23-4,278,466.86

Finding the Fourth Proportional to 7,716,353.10, 10,648,048.23 and 4,278,466.86

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Solution

The fourth proportional to 7,716,353.10, 10,648,048.23 and 4,278,466.86 is: 5,903,996.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716,353.10 : 10,648,048.23 = 4,278,466.86 : x
  2. Step 2: Convert to fraction form
    7,716,353.10/10,648,048.23 = 4,278,466.86/x
  3. Step 3: Cross multiply
    7,716,353.10x = 10,648,048.23 × 4,278,466.86
  4. Step 4: Simplify right side
    7,716,353.10x = 45,557,321,475,736.66
  5. Step 5: Solve for x
    x = 45,557,321,475,736.66/7,716,353.10
  6. Step 6: Final answer
    x = 5,903,996.47

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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.