Home / 13,361,014.05-18,438,413.72-7,249,442.55

Finding the Fourth Proportional to 13,361,014.05, 18,438,413.72 and 7,249,442.55

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Solution

The fourth proportional to 13,361,014.05, 18,438,413.72 and 7,249,442.55 is: 10,004,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,014.05 : 18,438,413.72 = 7,249,442.55 : x
  2. Step 2: Convert to fraction form
    13,361,014.05/18,438,413.72 = 7,249,442.55/x
  3. Step 3: Cross multiply
    13,361,014.05x = 18,438,413.72 × 7,249,442.55
  4. Step 4: Simplify right side
    13,361,014.05x = 133,668,220,940,024.56
  5. Step 5: Solve for x
    x = 133,668,220,940,024.56/13,361,014.05
  6. Step 6: Final answer
    x = 10,004,347.01

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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.