Finding the Fourth Proportional to 23,282,167.98, 32,129,421.48 and 12,685,507.68
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Solution
The fourth proportional to 23,282,167.98, 32,129,421.48 and 12,685,507.68 is: 17,506,016.76
Step by Step Solution
- Step 1: Write the proportion equation
23,282,167.98 : 32,129,421.48 = 12,685,507.68 : x - Step 2: Convert to fraction form
23,282,167.98/32,129,421.48 = 12,685,507.68/x - Step 3: Cross multiply
23,282,167.98x = 32,129,421.48 × 12,685,507.68 - Step 4: Simplify right side
23,282,167.98x = 407,578,022,938,496.94 - Step 5: Solve for x
x = 407,578,022,938,496.94/23,282,167.98 - Step 6: Final answer
x = 17,506,016.76
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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.