Finding the Fourth Proportional to 21,721,459,429.08, 32,564,606,402.08 and 6,790,939,661.99
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Solution
The fourth proportional to 21,721,459,429.08, 32,564,606,402.08 and 6,790,939,661.99 is: 10,180,912,471.14
Step by Step Solution
- Step 1: Write the proportion equation
21,721,459,429.08 : 32,564,606,402.08 = 6,790,939,661.99 : x - Step 2: Convert to fraction form
21,721,459,429.08/32,564,606,402.08 = 6,790,939,661.99/x - Step 3: Cross multiply
21,721,459,429.08x = 32,564,606,402.08 × 6,790,939,661.99 - Step 4: Simplify right side
21,721,459,429.08x = 221,144,277,192,978,563,072 - Step 5: Solve for x
x = 221,144,277,192,978,563,072/21,721,459,429.08 - Step 6: Final answer
x = 10,180,912,471.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.