Finding the Fourth Proportional to 38,189,968.14, 52,706,643.71 and 21,447,459.19
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Solution
The fourth proportional to 38,189,968.14, 52,706,643.71 and 21,447,459.19 is: 29,600,013.96
Step by Step Solution
- Step 1: Write the proportion equation
38,189,968.14 : 52,706,643.71 = 21,447,459.19 : x - Step 2: Convert to fraction form
38,189,968.14/52,706,643.71 = 21,447,459.19/x - Step 3: Cross multiply
38,189,968.14x = 52,706,643.71 × 21,447,459.19 - Step 4: Simplify right side
38,189,968.14x = 1,130,423,590,012,095.25 - Step 5: Solve for x
x = 1,130,423,590,012,095.25/38,189,968.14 - Step 6: Final answer
x = 29,600,013.96
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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.