Finding the Fourth Proportional to 21,541,509.42, 29,727,141.91 and 12,249,080.17
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Solution
The fourth proportional to 21,541,509.42, 29,727,141.91 and 12,249,080.17 is: 16,903,650.41
Step by Step Solution
- Step 1: Write the proportion equation
21,541,509.42 : 29,727,141.91 = 12,249,080.17 : x - Step 2: Convert to fraction form
21,541,509.42/29,727,141.91 = 12,249,080.17/x - Step 3: Cross multiply
21,541,509.42x = 29,727,141.91 × 12,249,080.17 - Step 4: Simplify right side
21,541,509.42x = 364,130,144,480,556.94 - Step 5: Solve for x
x = 364,130,144,480,556.94/21,541,509.42 - Step 6: Final answer
x = 16,903,650.41
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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.