Finding the Fourth Proportional to 42,578,376.73, 58,758,182.60 and 22,999,264.70
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Solution
The fourth proportional to 42,578,376.73, 58,758,182.60 and 22,999,264.70 is: 31,738,997.55
Step by Step Solution
- Step 1: Write the proportion equation
42,578,376.73 : 58,758,182.60 = 22,999,264.70 : x - Step 2: Convert to fraction form
42,578,376.73/58,758,182.60 = 22,999,264.70/x - Step 3: Cross multiply
42,578,376.73x = 58,758,182.60 × 22,999,264.70 - Step 4: Simplify right side
42,578,376.73x = 1,351,394,994,499,547 - Step 5: Solve for x
x = 1,351,394,994,499,547/42,578,376.73 - Step 6: Final answer
x = 31,738,997.55
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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.