Finding the Fourth Proportional to 13,403,526.44, 18,496,946.84 and 7,291,998.68
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Solution
The fourth proportional to 13,403,526.44, 18,496,946.84 and 7,291,998.68 is: 10,063,001.89
Step by Step Solution
- Step 1: Write the proportion equation
13,403,526.44 : 18,496,946.84 = 7,291,998.68 : x - Step 2: Convert to fraction form
13,403,526.44/18,496,946.84 = 7,291,998.68/x - Step 3: Cross multiply
13,403,526.44x = 18,496,946.84 × 7,291,998.68 - Step 4: Simplify right side
13,403,526.44x = 134,879,711,812,365.45 - Step 5: Solve for x
x = 134,879,711,812,365.45/13,403,526.44 - Step 6: Final answer
x = 10,063,001.89
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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.