Finding the Fourth Proportional to 39,423,126.24, 54,403,341.12 and 22,019,718.96
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Solution
The fourth proportional to 39,423,126.24, 54,403,341.12 and 22,019,718.96 is: 30,386,892.07
Step by Step Solution
- Step 1: Write the proportion equation
39,423,126.24 : 54,403,341.12 = 22,019,718.96 : x - Step 2: Convert to fraction form
39,423,126.24/54,403,341.12 = 22,019,718.96/x - Step 3: Cross multiply
39,423,126.24x = 54,403,341.12 × 22,019,718.96 - Step 4: Simplify right side
39,423,126.24x = 1,197,946,281,947,411.50 - Step 5: Solve for x
x = 1,197,946,281,947,411.50/39,423,126.24 - Step 6: Final answer
x = 30,386,892.07
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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.