Finding the Fourth Proportional to 19,305,041.04, 26,641,476.88 and 11,358,138.16
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Solution
The fourth proportional to 19,305,041.04, 26,641,476.88 and 11,358,138.16 is: 15,674,536.75
Step by Step Solution
- Step 1: Write the proportion equation
19,305,041.04 : 26,641,476.88 = 11,358,138.16 : x - Step 2: Convert to fraction form
19,305,041.04/26,641,476.88 = 11,358,138.16/x - Step 3: Cross multiply
19,305,041.04x = 26,641,476.88 × 11,358,138.16 - Step 4: Simplify right side
19,305,041.04x = 302,597,575,158,376.25 - Step 5: Solve for x
x = 302,597,575,158,376.25/19,305,041.04 - Step 6: Final answer
x = 15,674,536.75
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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.