Finding the Fourth Proportional to 15,130,186,482,429, 20,879,677,481,112 and 8,193,436,670,876.60
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Solution
The fourth proportional to 15,130,186,482,429, 20,879,677,481,112 and 8,193,436,670,876.60 is: 11,306,953,509,693.61
Step by Step Solution
- Step 1: Write the proportion equation
15,130,186,482,429 : 20,879,677,481,112 = 8,193,436,670,876.60 : x - Step 2: Convert to fraction form
15,130,186,482,429/20,879,677,481,112 = 8,193,436,670,876.60/x - Step 3: Cross multiply
15,130,186,482,429x = 20,879,677,481,112 × 8,193,436,670,876.60 - Step 4: Simplify right side
15,130,186,482,429x = 171,076,315,149,819,421,743,120,384 - Step 5: Solve for x
x = 171,076,315,149,819,421,743,120,384/15,130,186,482,429 - Step 6: Final answer
x = 11,306,953,509,693.61
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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.