Finding the Fourth Proportional to 11,238,134.58, 15,506,957.16 and 6,825,564
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Solution
The fourth proportional to 11,238,134.58, 15,506,957.16 and 6,825,564 is: 9,418,264.91
Step by Step Solution
- Step 1: Write the proportion equation
11,238,134.58 : 15,506,957.16 = 6,825,564 : x - Step 2: Convert to fraction form
11,238,134.58/15,506,957.16 = 6,825,564/x - Step 3: Cross multiply
11,238,134.58x = 15,506,957.16 × 6,825,564 - Step 4: Simplify right side
11,238,134.58x = 105,843,728,540,838.23 - Step 5: Solve for x
x = 105,843,728,540,838.23/11,238,134.58 - Step 6: Final answer
x = 9,418,264.91
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1.5x scale
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.