Finding the Fourth Proportional to 16,135,128.90, 22,266,482.52 and 8,792,964.06
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Solution
The fourth proportional to 16,135,128.90, 22,266,482.52 and 8,792,964.06 is: 12,134,292.93
Step by Step Solution
- Step 1: Write the proportion equation
16,135,128.90 : 22,266,482.52 = 8,792,964.06 : x - Step 2: Convert to fraction form
16,135,128.90/22,266,482.52 = 8,792,964.06/x - Step 3: Cross multiply
16,135,128.90x = 22,266,482.52 × 8,792,964.06 - Step 4: Simplify right side
16,135,128.90x = 195,788,380,540,978.25 - Step 5: Solve for x
x = 195,788,380,540,978.25/16,135,128.90 - Step 6: Final answer
x = 12,134,292.93
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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.