Finding the Fourth Proportional to 23,272,471.68, 32,116,009.32 and 13,488,590.96
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Solution
The fourth proportional to 23,272,471.68, 32,116,009.32 and 13,488,590.96 is: 18,614,254.60
Step by Step Solution
- Step 1: Write the proportion equation
23,272,471.68 : 32,116,009.32 = 13,488,590.96 : x - Step 2: Convert to fraction form
23,272,471.68/32,116,009.32 = 13,488,590.96/x - Step 3: Cross multiply
23,272,471.68x = 32,116,009.32 × 13,488,590.96 - Step 4: Simplify right side
23,272,471.68x = 433,199,712,985,027.75 - Step 5: Solve for x
x = 433,199,712,985,027.75/23,272,471.68 - Step 6: Final answer
x = 18,614,254.60
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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.