Finding the Fourth Proportional to 12,070,933.41, 16,652,028.92 and 7,172,686.63
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Solution
The fourth proportional to 12,070,933.41, 16,652,028.92 and 7,172,686.63 is: 9,894,825.95
Step by Step Solution
- Step 1: Write the proportion equation
12,070,933.41 : 16,652,028.92 = 7,172,686.63 : x - Step 2: Convert to fraction form
12,070,933.41/16,652,028.92 = 7,172,686.63/x - Step 3: Cross multiply
12,070,933.41x = 16,652,028.92 × 7,172,686.63 - Step 4: Simplify right side
12,070,933.41x = 119,439,785,196,857.34 - Step 5: Solve for x
x = 119,439,785,196,857.34/12,070,933.41 - Step 6: Final answer
x = 9,894,825.95
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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.