Finding the Fourth Proportional to 21,417,847.68, 32,139,537.36 and 7,772,058.84
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Solution
The fourth proportional to 21,417,847.68, 32,139,537.36 and 7,772,058.84 is: 11,662,720.70
Step by Step Solution
- Step 1: Write the proportion equation
21,417,847.68 : 32,139,537.36 = 7,772,058.84 : x - Step 2: Convert to fraction form
21,417,847.68/32,139,537.36 = 7,772,058.84/x - Step 3: Cross multiply
21,417,847.68x = 32,139,537.36 × 7,772,058.84 - Step 4: Simplify right side
21,417,847.68x = 249,790,375,452,298.25 - Step 5: Solve for x
x = 249,790,375,452,298.25/21,417,847.68 - Step 6: Final answer
x = 11,662,720.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.