Finding the Fourth Proportional to 13,563,590.76, 18,717,323.13 and 7,762,248.05
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Solution
The fourth proportional to 13,563,590.76, 18,717,323.13 and 7,762,248.05 is: 10,711,655.01
Step by Step Solution
- Step 1: Write the proportion equation
13,563,590.76 : 18,717,323.13 = 7,762,248.05 : x - Step 2: Convert to fraction form
13,563,590.76/18,717,323.13 = 7,762,248.05/x - Step 3: Cross multiply
13,563,590.76x = 18,717,323.13 × 7,762,248.05 - Step 4: Simplify right side
13,563,590.76x = 145,288,504,873,475.78 - Step 5: Solve for x
x = 145,288,504,873,475.78/13,563,590.76 - Step 6: Final answer
x = 10,711,655.01
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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.