Finding the Fourth Proportional to 14,235,654.96, 19,645,101.16 and 7,709,133.04
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Solution
The fourth proportional to 14,235,654.96, 19,645,101.16 and 7,709,133.04 is: 10,638,547.99
Step by Step Solution
- Step 1: Write the proportion equation
14,235,654.96 : 19,645,101.16 = 7,709,133.04 : x - Step 2: Convert to fraction form
14,235,654.96/19,645,101.16 = 7,709,133.04/x - Step 3: Cross multiply
14,235,654.96x = 19,645,101.16 × 7,709,133.04 - Step 4: Simplify right side
14,235,654.96x = 151,446,698,426,698.34 - Step 5: Solve for x
x = 151,446,698,426,698.34/14,235,654.96 - Step 6: Final answer
x = 10,638,547.99
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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.