Finding the Fourth Proportional to 10,732,424.40, 14,809,398.48 and 7,255,326.74
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Solution
The fourth proportional to 10,732,424.40, 14,809,398.48 and 7,255,326.74 is: 10,011,440.17
Step by Step Solution
- Step 1: Write the proportion equation
10,732,424.40 : 14,809,398.48 = 7,255,326.74 : x - Step 2: Convert to fraction form
10,732,424.40/14,809,398.48 = 7,255,326.74/x - Step 3: Cross multiply
10,732,424.40x = 14,809,398.48 × 7,255,326.74 - Step 4: Simplify right side
10,732,424.40x = 107,447,024,721,212.38 - Step 5: Solve for x
x = 107,447,024,721,212.38/10,732,424.40 - Step 6: Final answer
x = 10,011,440.17
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1.5x scale
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.