Finding the Fourth Proportional to 28,774,069.84, 39,708,259.08 and 16,384,173.36
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Solution
The fourth proportional to 28,774,069.84, 39,708,259.08 and 16,384,173.36 is: 22,610,183.55
Step by Step Solution
- Step 1: Write the proportion equation
28,774,069.84 : 39,708,259.08 = 16,384,173.36 : x - Step 2: Convert to fraction form
28,774,069.84/39,708,259.08 = 16,384,173.36/x - Step 3: Cross multiply
28,774,069.84x = 39,708,259.08 × 16,384,173.36 - Step 4: Simplify right side
28,774,069.84x = 650,587,000,590,514 - Step 5: Solve for x
x = 650,587,000,590,514/28,774,069.84 - Step 6: Final answer
x = 22,610,183.55
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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.