Finding the Fourth Proportional to 16,420,209.72, 22,656,122.73 and 9,803,508.99
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Solution
The fourth proportional to 16,420,209.72, 22,656,122.73 and 9,803,508.99 is: 13,526,593.55
Step by Step Solution
- Step 1: Write the proportion equation
16,420,209.72 : 22,656,122.73 = 9,803,508.99 : x - Step 2: Convert to fraction form
16,420,209.72/22,656,122.73 = 9,803,508.99/x - Step 3: Cross multiply
16,420,209.72x = 22,656,122.73 × 9,803,508.99 - Step 4: Simplify right side
16,420,209.72x = 222,109,502,862,098.34 - Step 5: Solve for x
x = 222,109,502,862,098.34/16,420,209.72 - Step 6: Final answer
x = 13,526,593.55
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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.