Finding the Fourth Proportional to 13,321,386.97, 19,946,152.95 and 8,698,922.58
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Solution
The fourth proportional to 13,321,386.97, 19,946,152.95 and 8,698,922.58 is: 13,024,923.06
Step by Step Solution
- Step 1: Write the proportion equation
13,321,386.97 : 19,946,152.95 = 8,698,922.58 : x - Step 2: Convert to fraction form
13,321,386.97/19,946,152.95 = 8,698,922.58/x - Step 3: Cross multiply
13,321,386.97x = 19,946,152.95 × 8,698,922.58 - Step 4: Simplify right side
13,321,386.97x = 173,510,040,280,888.59 - Step 5: Solve for x
x = 173,510,040,280,888.59/13,321,386.97 - Step 6: Final answer
x = 13,024,923.06
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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.