Finding the Fourth Proportional to 8,926,719.90, 12,318,881.40 and 4,852,338.90
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Solution
The fourth proportional to 8,926,719.90, 12,318,881.40 and 4,852,338.90 is: 6,696,232.00
Step by Step Solution
- Step 1: Write the proportion equation
8,926,719.90 : 12,318,881.40 = 4,852,338.90 : x - Step 2: Convert to fraction form
8,926,719.90/12,318,881.40 = 4,852,338.90/x - Step 3: Cross multiply
8,926,719.90x = 12,318,881.40 × 4,852,338.90 - Step 4: Simplify right side
8,926,719.90x = 59,775,387,421,706.47 - Step 5: Solve for x
x = 59,775,387,421,706.47/8,926,719.90 - Step 6: Final answer
x = 6,696,232.00
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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.