Finding the Fourth Proportional to 23,133,946.08, 31,926,688.56 and 12,821,656.80
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Solution
The fourth proportional to 23,133,946.08, 31,926,688.56 and 12,821,656.80 is: 17,694,907.82
Step by Step Solution
- Step 1: Write the proportion equation
23,133,946.08 : 31,926,688.56 = 12,821,656.80 : x - Step 2: Convert to fraction form
23,133,946.08/31,926,688.56 = 12,821,656.80/x - Step 3: Cross multiply
23,133,946.08x = 31,926,688.56 × 12,821,656.80 - Step 4: Simplify right side
23,133,946.08x = 409,353,043,476,806.19 - Step 5: Solve for x
x = 409,353,043,476,806.19/23,133,946.08 - Step 6: Final answer
x = 17,694,907.82
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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.