Finding the Fourth Proportional to 12,661,881.32, 17,473,343.08 and 6,860,686.14
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Solution
The fourth proportional to 12,661,881.32, 17,473,343.08 and 6,860,686.14 is: 9,467,718.08
Step by Step Solution
- Step 1: Write the proportion equation
12,661,881.32 : 17,473,343.08 = 6,860,686.14 : x - Step 2: Convert to fraction form
12,661,881.32/17,473,343.08 = 6,860,686.14/x - Step 3: Cross multiply
12,661,881.32x = 17,473,343.08 × 6,860,686.14 - Step 4: Simplify right side
12,661,881.32x = 119,879,122,688,420.89 - Step 5: Solve for x
x = 119,879,122,688,420.89/12,661,881.32 - Step 6: Final answer
x = 9,467,718.08
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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.