Finding the Fourth Proportional to 21,575,577.97, 29,775,202.86 and 12,408,228.01
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Solution
The fourth proportional to 21,575,577.97, 29,775,202.86 and 12,408,228.01 is: 17,123,875.27
Step by Step Solution
- Step 1: Write the proportion equation
21,575,577.97 : 29,775,202.86 = 12,408,228.01 : x - Step 2: Convert to fraction form
21,575,577.97/29,775,202.86 = 12,408,228.01/x - Step 3: Cross multiply
21,575,577.97x = 29,775,202.86 × 12,408,228.01 - Step 4: Simplify right side
21,575,577.97x = 369,457,506,130,884.12 - Step 5: Solve for x
x = 369,457,506,130,884.12/21,575,577.97 - Step 6: Final answer
x = 17,123,875.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.