Finding the Fourth Proportional to 19,489,316.64, 26,894,571.12 and 10,787,506.08
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Solution
The fourth proportional to 19,489,316.64, 26,894,571.12 and 10,787,506.08 is: 14,886,378.77
Step by Step Solution
- Step 1: Write the proportion equation
19,489,316.64 : 26,894,571.12 = 10,787,506.08 : x - Step 2: Convert to fraction form
19,489,316.64/26,894,571.12 = 10,787,506.08/x - Step 3: Cross multiply
19,489,316.64x = 26,894,571.12 × 10,787,506.08 - Step 4: Simplify right side
19,489,316.64x = 290,125,349,475,992.44 - Step 5: Solve for x
x = 290,125,349,475,992.44/19,489,316.64 - Step 6: Final answer
x = 14,886,378.77
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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.