Finding the Fourth Proportional to 11,537,731.07, 15,926,971.42 and 7,188,965.98
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Solution
The fourth proportional to 11,537,731.07, 15,926,971.42 and 7,188,965.98 is: 9,923,827.74
Step by Step Solution
- Step 1: Write the proportion equation
11,537,731.07 : 15,926,971.42 = 7,188,965.98 : x - Step 2: Convert to fraction form
11,537,731.07/15,926,971.42 = 7,188,965.98/x - Step 3: Cross multiply
11,537,731.07x = 15,926,971.42 × 7,188,965.98 - Step 4: Simplify right side
11,537,731.07x = 114,498,455,671,981.08 - Step 5: Solve for x
x = 114,498,455,671,981.08/11,537,731.07 - Step 6: Final answer
x = 9,923,827.74
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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.