Home / 9,021,073.73-12,437,038.22-7,166,642.31

Finding the Fourth Proportional to 9,021,073.73, 12,437,038.22 and 7,166,642.31

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Solution

The fourth proportional to 9,021,073.73, 12,437,038.22 and 7,166,642.31 is: 9,880,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,073.73 : 12,437,038.22 = 7,166,642.31 : x
  2. Step 2: Convert to fraction form
    9,021,073.73/12,437,038.22 = 7,166,642.31/x
  3. Step 3: Cross multiply
    9,021,073.73x = 12,437,038.22 × 7,166,642.31
  4. Step 4: Simplify right side
    9,021,073.73x = 89,131,804,282,705.88
  5. Step 5: Solve for x
    x = 89,131,804,282,705.88/9,021,073.73
  6. Step 6: Final answer
    x = 9,880,398.61

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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.