Finding the Fourth Proportional to 28,083,935,129.44, 38,755,821,124.25 and 15,396,398,386.96
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Solution
The fourth proportional to 28,083,935,129.44, 38,755,821,124.25 and 15,396,398,386.96 is: 21,247,024,645.67
Step by Step Solution
- Step 1: Write the proportion equation
28,083,935,129.44 : 38,755,821,124.25 = 15,396,398,386.96 : x - Step 2: Convert to fraction form
28,083,935,129.44/38,755,821,124.25 = 15,396,398,386.96/x - Step 3: Cross multiply
28,083,935,129.44x = 38,755,821,124.25 × 15,396,398,386.96 - Step 4: Simplify right side
28,083,935,129.44x = 596,700,061,842,636,013,568 - Step 5: Solve for x
x = 596,700,061,842,636,013,568/28,083,935,129.44 - Step 6: Final answer
x = 21,247,024,645.67
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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.