Home / 7,405,768.67-10,220,730.45-4,266,140.63

Finding the Fourth Proportional to 7,405,768.67, 10,220,730.45 and 4,266,140.63

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Solution

The fourth proportional to 7,405,768.67, 10,220,730.45 and 4,266,140.63 is: 5,887,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,768.67 : 10,220,730.45 = 4,266,140.63 : x
  2. Step 2: Convert to fraction form
    7,405,768.67/10,220,730.45 = 4,266,140.63/x
  3. Step 3: Cross multiply
    7,405,768.67x = 10,220,730.45 × 4,266,140.63
  4. Step 4: Simplify right side
    7,405,768.67x = 43,603,073,441,023.18
  5. Step 5: Solve for x
    x = 43,603,073,441,023.18/7,405,768.67
  6. Step 6: Final answer
    x = 5,887,717.45

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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.