Finding the Fourth Proportional to 40,376,461.68, 55,719,744.08 and 22,972,806.95
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Solution
The fourth proportional to 40,376,461.68, 55,719,744.08 and 22,972,806.95 is: 31,702,602.71
Step by Step Solution
- Step 1: Write the proportion equation
40,376,461.68 : 55,719,744.08 = 22,972,806.95 : x - Step 2: Convert to fraction form
40,376,461.68/55,719,744.08 = 22,972,806.95/x - Step 3: Cross multiply
40,376,461.68x = 55,719,744.08 × 22,972,806.95 - Step 4: Simplify right side
40,376,461.68x = 1,280,038,923,659,782.75 - Step 5: Solve for x
x = 1,280,038,923,659,782.75/40,376,461.68 - Step 6: Final answer
x = 31,702,602.71
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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.