Finding the Fourth Proportional to 16,298,740.37, 22,487,356.84 and 9,769,987.68
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Solution
The fourth proportional to 16,298,740.37, 22,487,356.84 and 9,769,987.68 is: 13,479,642.87
Step by Step Solution
- Step 1: Write the proportion equation
16,298,740.37 : 22,487,356.84 = 9,769,987.68 : x - Step 2: Convert to fraction form
16,298,740.37/22,487,356.84 = 9,769,987.68/x - Step 3: Cross multiply
16,298,740.37x = 22,487,356.84 × 9,769,987.68 - Step 4: Simplify right side
16,298,740.37x = 219,701,199,318,631.03 - Step 5: Solve for x
x = 219,701,199,318,631.03/16,298,740.37 - Step 6: Final answer
x = 13,479,642.87
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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.