Finding the Fourth Proportional to 13,893,526.08, 19,173,065.76 and 8,461,018.08
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Solution
The fourth proportional to 13,893,526.08, 19,173,065.76 and 8,461,018.08 is: 11,676,204.81
Step by Step Solution
- Step 1: Write the proportion equation
13,893,526.08 : 19,173,065.76 = 8,461,018.08 : x - Step 2: Convert to fraction form
13,893,526.08/19,173,065.76 = 8,461,018.08/x - Step 3: Cross multiply
13,893,526.08x = 19,173,065.76 × 8,461,018.08 - Step 4: Simplify right side
13,893,526.08x = 162,223,656,044,388.97 - Step 5: Solve for x
x = 162,223,656,044,388.97/13,893,526.08 - Step 6: Final answer
x = 11,676,204.81
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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.