Finding the Fourth Proportional to 30,257,433.76, 41,749,547.88 and 18,035,428
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Solution
The fourth proportional to 30,257,433.76, 41,749,547.88 and 18,035,428 is: 24,885,486.68
Step by Step Solution
- Step 1: Write the proportion equation
30,257,433.76 : 41,749,547.88 = 18,035,428 : x - Step 2: Convert to fraction form
30,257,433.76/41,749,547.88 = 18,035,428/x - Step 3: Cross multiply
30,257,433.76x = 41,749,547.88 × 18,035,428 - Step 4: Simplify right side
30,257,433.76x = 752,970,964,822,292.75 - Step 5: Solve for x
x = 752,970,964,822,292.75/30,257,433.76 - Step 6: Final answer
x = 24,885,486.68
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1.5x scale
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.