Home / 15,063,772.80-20,792,762.40-9,631,286.40

Finding the Fourth Proportional to 15,063,772.80, 20,792,762.40 and 9,631,286.40

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Solution

The fourth proportional to 15,063,772.80, 20,792,762.40 and 9,631,286.40 is: 13,294,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063,772.80 : 20,792,762.40 = 9,631,286.40 : x
  2. Step 2: Convert to fraction form
    15,063,772.80/20,792,762.40 = 9,631,286.40/x
  3. Step 3: Cross multiply
    15,063,772.80x = 20,792,762.40 × 9,631,286.40
  4. Step 4: Simplify right side
    15,063,772.80x = 200,261,049,721,551.34
  5. Step 5: Solve for x
    x = 200,261,049,721,551.34/15,063,772.80
  6. Step 6: Final answer
    x = 13,294,216.02

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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.