Finding the Fourth Proportional to 21,540,068.15, 29,725,253.27 and 11,750,509.75
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Solution
The fourth proportional to 21,540,068.15, 29,725,253.27 and 11,750,509.75 is: 16,215,681.20
Step by Step Solution
- Step 1: Write the proportion equation
21,540,068.15 : 29,725,253.27 = 11,750,509.75 : x - Step 2: Convert to fraction form
21,540,068.15/29,725,253.27 = 11,750,509.75/x - Step 3: Cross multiply
21,540,068.15x = 29,725,253.27 × 11,750,509.75 - Step 4: Simplify right side
21,540,068.15x = 349,286,878,303,046.25 - Step 5: Solve for x
x = 349,286,878,303,046.25/21,540,068.15 - Step 6: Final answer
x = 16,215,681.20
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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.