Finding the Fourth Proportional to 16,134,285.12, 22,264,868.64 and 8,791,959.36
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Solution
The fourth proportional to 16,134,285.12, 22,264,868.64 and 8,791,959.36 is: 12,132,661.52
Step by Step Solution
- Step 1: Write the proportion equation
16,134,285.12 : 22,264,868.64 = 8,791,959.36 : x - Step 2: Convert to fraction form
16,134,285.12/22,264,868.64 = 8,791,959.36/x - Step 3: Cross multiply
16,134,285.12x = 22,264,868.64 × 8,791,959.36 - Step 4: Simplify right side
16,134,285.12x = 195,751,820,238,618.47 - Step 5: Solve for x
x = 195,751,820,238,618.47/16,134,285.12 - Step 6: Final answer
x = 12,132,661.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.