Finding the Fourth Proportional to 38,924,351.08, 53,714,657.70 and 21,520,248.04
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Solution
The fourth proportional to 38,924,351.08, 53,714,657.70 and 21,520,248.04 is: 29,697,418.84
Step by Step Solution
- Step 1: Write the proportion equation
38,924,351.08 : 53,714,657.70 = 21,520,248.04 : x - Step 2: Convert to fraction form
38,924,351.08/53,714,657.70 = 21,520,248.04/x - Step 3: Cross multiply
38,924,351.08x = 53,714,657.70 × 21,520,248.04 - Step 4: Simplify right side
38,924,351.08x = 1,155,952,757,087,696 - Step 5: Solve for x
x = 1,155,952,757,087,696/38,924,351.08 - Step 6: Final answer
x = 29,697,418.84
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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.