Finding the Fourth Proportional to 22,927,174.08, 31,639,498.56 and 12,613,675.68
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Solution
The fourth proportional to 22,927,174.08, 31,639,498.56 and 12,613,675.68 is: 17,406,871.52
Step by Step Solution
- Step 1: Write the proportion equation
22,927,174.08 : 31,639,498.56 = 12,613,675.68 : x - Step 2: Convert to fraction form
22,927,174.08/31,639,498.56 = 12,613,675.68/x - Step 3: Cross multiply
22,927,174.08x = 31,639,498.56 × 12,613,675.68 - Step 4: Simplify right side
22,927,174.08x = 399,090,373,513,667 - Step 5: Solve for x
x = 399,090,373,513,667/22,927,174.08 - Step 6: Final answer
x = 17,406,871.52
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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.