Finding the Fourth Proportional to 16,207,483.68, 22,362,685.20 and 9,679,929.12
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Solution
The fourth proportional to 16,207,483.68, 22,362,685.20 and 9,679,929.12 is: 13,356,126.83
Step by Step Solution
- Step 1: Write the proportion equation
16,207,483.68 : 22,362,685.20 = 9,679,929.12 : x - Step 2: Convert to fraction form
16,207,483.68/22,362,685.20 = 9,679,929.12/x - Step 3: Cross multiply
16,207,483.68x = 22,362,685.20 × 9,679,929.12 - Step 4: Simplify right side
16,207,483.68x = 216,469,207,668,873 - Step 5: Solve for x
x = 216,469,207,668,873/16,207,483.68 - Step 6: Final answer
x = 13,356,126.83
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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.