Finding the Fourth Proportional to 11,521,203.29, 15,899,743.55 and 6,626,426.75
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Solution
The fourth proportional to 11,521,203.29, 15,899,743.55 and 6,626,426.75 is: 9,144,746.72
Step by Step Solution
- Step 1: Write the proportion equation
11,521,203.29 : 15,899,743.55 = 6,626,426.75 : x - Step 2: Convert to fraction form
11,521,203.29/15,899,743.55 = 6,626,426.75/x - Step 3: Cross multiply
11,521,203.29x = 15,899,743.55 × 6,626,426.75 - Step 4: Simplify right side
11,521,203.29x = 105,358,485,914,927.31 - Step 5: Solve for x
x = 105,358,485,914,927.31/11,521,203.29 - Step 6: Final answer
x = 9,144,746.72
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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.