Home / 30,888,442.80-46,332,664.20-28,243,047.60

Finding the Fourth Proportional to 30,888,442.80, 46,332,664.20 and 28,243,047.60

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Solution

The fourth proportional to 30,888,442.80, 46,332,664.20 and 28,243,047.60 is: 42,364,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888,442.80 : 46,332,664.20 = 28,243,047.60 : x
  2. Step 2: Convert to fraction form
    30,888,442.80/46,332,664.20 = 28,243,047.60/x
  3. Step 3: Cross multiply
    30,888,442.80x = 46,332,664.20 × 28,243,047.60
  4. Step 4: Simplify right side
    30,888,442.80x = 1,308,575,640,435,416
  5. Step 5: Solve for x
    x = 1,308,575,640,435,416/30,888,442.80
  6. Step 6: Final answer
    x = 42,364,571.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.