Finding the Fourth Proportional to 55,570,259.79, 83,368,631.97 and 19,178,963.73
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Solution
The fourth proportional to 55,570,259.79, 83,368,631.97 and 19,178,963.73 is: 28,773,015.90
Step by Step Solution
- Step 1: Write the proportion equation
55,570,259.79 : 83,368,631.97 = 19,178,963.73 : x - Step 2: Convert to fraction form
55,570,259.79/83,368,631.97 = 19,178,963.73/x - Step 3: Cross multiply
55,570,259.79x = 83,368,631.97 × 19,178,963.73 - Step 4: Simplify right side
55,570,259.79x = 1,598,923,968,772,348.50 - Step 5: Solve for x
x = 1,598,923,968,772,348.50/55,570,259.79 - Step 6: Final answer
x = 28,773,015.90
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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.