Home / 13,361,013.80-18,438,413.37-7,249,442.30

Finding the Fourth Proportional to 13,361,013.80, 18,438,413.37 and 7,249,442.30

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Solution

The fourth proportional to 13,361,013.80, 18,438,413.37 and 7,249,442.30 is: 10,004,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,013.80 : 18,438,413.37 = 7,249,442.30 : x
  2. Step 2: Convert to fraction form
    13,361,013.80/18,438,413.37 = 7,249,442.30/x
  3. Step 3: Cross multiply
    13,361,013.80x = 18,438,413.37 × 7,249,442.30
  4. Step 4: Simplify right side
    13,361,013.80x = 133,668,213,829,363.56
  5. Step 5: Solve for x
    x = 133,668,213,829,363.56/13,361,013.80
  6. Step 6: Final answer
    x = 10,004,346.66

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1.5x scale

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.