Finding the Fourth Proportional to 17,721,101.28, 24,455,130.48 and 9,572,342.88
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Solution
The fourth proportional to 17,721,101.28, 24,455,130.48 and 9,572,342.88 is: 13,209,838.96
Step by Step Solution
- Step 1: Write the proportion equation
17,721,101.28 : 24,455,130.48 = 9,572,342.88 : x - Step 2: Convert to fraction form
17,721,101.28/24,455,130.48 = 9,572,342.88/x - Step 3: Cross multiply
17,721,101.28x = 24,455,130.48 × 9,572,342.88 - Step 4: Simplify right side
17,721,101.28x = 234,092,894,129,699 - Step 5: Solve for x
x = 234,092,894,129,699/17,721,101.28 - Step 6: Final answer
x = 13,209,838.96
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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.