Finding the Fourth Proportional to 19,398,547.34, 29,098,508.29 and 4,825,542.70
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Solution
The fourth proportional to 19,398,547.34, 29,098,508.29 and 4,825,542.70 is: 7,238,485.02
Step by Step Solution
- Step 1: Write the proportion equation
19,398,547.34 : 29,098,508.29 = 4,825,542.70 : x - Step 2: Convert to fraction form
19,398,547.34/29,098,508.29 = 4,825,542.70/x - Step 3: Cross multiply
19,398,547.34x = 29,098,508.29 × 4,825,542.70 - Step 4: Simplify right side
19,398,547.34x = 140,416,094,311,151.94 - Step 5: Solve for x
x = 140,416,094,311,151.94/19,398,547.34 - Step 6: Final answer
x = 7,238,485.02
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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.