Finding the Fourth Proportional to 28,396,171, 42,577,207.62 and 13,024,204.84
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Solution
The fourth proportional to 28,396,171, 42,577,207.62 and 13,024,204.84 is: 19,528,487.61
Step by Step Solution
- Step 1: Write the proportion equation
28,396,171 : 42,577,207.62 = 13,024,204.84 : x - Step 2: Convert to fraction form
28,396,171/42,577,207.62 = 13,024,204.84/x - Step 3: Cross multiply
28,396,171x = 42,577,207.62 × 13,024,204.84 - Step 4: Simplify right side
28,396,171x = 554,534,273,558,088.81 - Step 5: Solve for x
x = 554,534,273,558,088.81/28,396,171 - Step 6: Final answer
x = 19,528,487.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.