Finding the Fourth Proportional to 18,963,304, 26,169,428.91 and 10,261,476.70
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Solution
The fourth proportional to 18,963,304, 26,169,428.91 and 10,261,476.70 is: 14,160,875.39
Step by Step Solution
- Step 1: Write the proportion equation
18,963,304 : 26,169,428.91 = 10,261,476.70 : x - Step 2: Convert to fraction form
18,963,304/26,169,428.91 = 10,261,476.70/x - Step 3: Cross multiply
18,963,304x = 26,169,428.91 × 10,261,476.70 - Step 4: Simplify right side
18,963,304x = 268,536,985,012,271.38 - Step 5: Solve for x
x = 268,536,985,012,271.38/18,963,304 - Step 6: Final answer
x = 14,160,875.39
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1.5x scale
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.