Finding the Fourth Proportional to 19,013,830.36, 26,242,439.88 and 11,283,135.28
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Solution
The fourth proportional to 19,013,830.36, 26,242,439.88 and 11,283,135.28 is: 15,572,717.00
Step by Step Solution
- Step 1: Write the proportion equation
19,013,830.36 : 26,242,439.88 = 11,283,135.28 : x - Step 2: Convert to fraction form
19,013,830.36/26,242,439.88 = 11,283,135.28/x - Step 3: Cross multiply
19,013,830.36x = 26,242,439.88 × 11,283,135.28 - Step 4: Simplify right side
19,013,830.36x = 296,096,999,243,306.94 - Step 5: Solve for x
x = 296,096,999,243,306.94/19,013,830.36 - Step 6: Final answer
x = 15,572,717.00
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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.