Home / 13,148,413.73-18,144,462.88-7,347,243.14

Finding the Fourth Proportional to 13,148,413.73, 18,144,462.88 and 7,347,243.14

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Solution

The fourth proportional to 13,148,413.73, 18,144,462.88 and 7,347,243.14 is: 10,139,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,413.73 : 18,144,462.88 = 7,347,243.14 : x
  2. Step 2: Convert to fraction form
    13,148,413.73/18,144,462.88 = 7,347,243.14/x
  3. Step 3: Cross multiply
    13,148,413.73x = 18,144,462.88 × 7,347,243.14
  4. Step 4: Simplify right side
    13,148,413.73x = 133,311,780,387,328.42
  5. Step 5: Solve for x
    x = 133,311,780,387,328.42/13,148,413.73
  6. Step 6: Final answer
    x = 10,139,001.03

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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.