Finding the Fourth Proportional to 19,057,473.90, 26,299,458.68 and 10,355,693.40
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Solution
The fourth proportional to 19,057,473.90, 26,299,458.68 and 10,355,693.40 is: 14,290,935.52
Step by Step Solution
- Step 1: Write the proportion equation
19,057,473.90 : 26,299,458.68 = 10,355,693.40 : x - Step 2: Convert to fraction form
19,057,473.90/26,299,458.68 = 10,355,693.40/x - Step 3: Cross multiply
19,057,473.90x = 26,299,458.68 × 10,355,693.40 - Step 4: Simplify right side
19,057,473.90x = 272,349,130,624,270.25 - Step 5: Solve for x
x = 272,349,130,624,270.25/19,057,473.90 - Step 6: Final answer
x = 14,290,935.52
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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.