Finding the Fourth Proportional to 34,771,209.68, 48,016,943.88 and 22,403,015.12
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Solution
The fourth proportional to 34,771,209.68, 48,016,943.88 and 22,403,015.12 is: 30,937,212.99
Step by Step Solution
- Step 1: Write the proportion equation
34,771,209.68 : 48,016,943.88 = 22,403,015.12 : x - Step 2: Convert to fraction form
34,771,209.68/48,016,943.88 = 22,403,015.12/x - Step 3: Cross multiply
34,771,209.68x = 48,016,943.88 × 22,403,015.12 - Step 4: Simplify right side
34,771,209.68x = 1,075,724,319,759,831.62 - Step 5: Solve for x
x = 1,075,724,319,759,831.62/34,771,209.68 - Step 6: Final answer
x = 30,937,212.99
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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.