Finding the Fourth Proportional to 11,386,373.58, 15,711,643.71 and 6,801,721.74
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Solution
The fourth proportional to 11,386,373.58, 15,711,643.71 and 6,801,721.74 is: 9,385,449.01
Step by Step Solution
- Step 1: Write the proportion equation
11,386,373.58 : 15,711,643.71 = 6,801,721.74 : x - Step 2: Convert to fraction form
11,386,373.58/15,711,643.71 = 6,801,721.74/x - Step 3: Cross multiply
11,386,373.58x = 15,711,643.71 × 6,801,721.74 - Step 4: Simplify right side
11,386,373.58x = 106,866,228,593,441.27 - Step 5: Solve for x
x = 106,866,228,593,441.27/11,386,373.58 - Step 6: Final answer
x = 9,385,449.01
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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.