Finding the Fourth Proportional to 19,735,371.84, 27,233,430.56 and 11,474,848.08
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Solution
The fourth proportional to 19,735,371.84, 27,233,430.56 and 11,474,848.08 is: 15,834,486.47
Step by Step Solution
- Step 1: Write the proportion equation
19,735,371.84 : 27,233,430.56 = 11,474,848.08 : x - Step 2: Convert to fraction form
19,735,371.84/27,233,430.56 = 11,474,848.08/x - Step 3: Cross multiply
19,735,371.84x = 27,233,430.56 × 11,474,848.08 - Step 4: Simplify right side
19,735,371.84x = 312,499,478,315,855.06 - Step 5: Solve for x
x = 312,499,478,315,855.06/19,735,371.84 - Step 6: Final answer
x = 15,834,486.47
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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.