Home / 7,235,972.18-9,985,661.25-3,972,998.25

Finding the Fourth Proportional to 7,235,972.18, 9,985,661.25 and 3,972,998.25

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Solution

The fourth proportional to 7,235,972.18, 9,985,661.25 and 3,972,998.25 is: 5,482,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235,972.18 : 9,985,661.25 = 3,972,998.25 : x
  2. Step 2: Convert to fraction form
    7,235,972.18/9,985,661.25 = 3,972,998.25/x
  3. Step 3: Cross multiply
    7,235,972.18x = 9,985,661.25 × 3,972,998.25
  4. Step 4: Simplify right side
    7,235,972.18x = 39,673,014,671,342.81
  5. Step 5: Solve for x
    x = 39,673,014,671,342.81/7,235,972.18
  6. Step 6: Final answer
    x = 5,482,748.37

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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.