Finding the Fourth Proportional to 38,924,350.08, 53,714,656.32 and 21,520,247.04
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Solution
The fourth proportional to 38,924,350.08, 53,714,656.32 and 21,520,247.04 is: 29,697,417.46
Step by Step Solution
- Step 1: Write the proportion equation
38,924,350.08 : 53,714,656.32 = 21,520,247.04 : x - Step 2: Convert to fraction form
38,924,350.08/53,714,656.32 = 21,520,247.04/x - Step 3: Cross multiply
38,924,350.08x = 53,714,656.32 × 21,520,247.04 - Step 4: Simplify right side
38,924,350.08x = 1,155,952,673,675,097.25 - Step 5: Solve for x
x = 1,155,952,673,675,097.25/38,924,350.08 - Step 6: Final answer
x = 29,697,417.46
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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.