Finding the Fourth Proportional to 15,408,327.04, 21,264,159.75 and 8,532,809.12
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Solution
The fourth proportional to 15,408,327.04, 21,264,159.75 and 8,532,809.12 is: 11,775,646.75
Step by Step Solution
- Step 1: Write the proportion equation
15,408,327.04 : 21,264,159.75 = 8,532,809.12 : x - Step 2: Convert to fraction form
15,408,327.04/21,264,159.75 = 8,532,809.12/x - Step 3: Cross multiply
15,408,327.04x = 21,264,159.75 × 8,532,809.12 - Step 4: Simplify right side
15,408,327.04x = 181,443,016,243,936.91 - Step 5: Solve for x
x = 181,443,016,243,936.91/15,408,327.04 - Step 6: Final answer
x = 11,775,646.75
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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.