Finding the Fourth Proportional to 10,964,987.04, 15,130,961.28 and 6,069,868.68
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Solution
The fourth proportional to 10,964,987.04, 15,130,961.28 and 6,069,868.68 is: 8,376,019.75
Step by Step Solution
- Step 1: Write the proportion equation
10,964,987.04 : 15,130,961.28 = 6,069,868.68 : x - Step 2: Convert to fraction form
10,964,987.04/15,130,961.28 = 6,069,868.68/x - Step 3: Cross multiply
10,964,987.04x = 15,130,961.28 × 6,069,868.68 - Step 4: Simplify right side
10,964,987.04x = 91,842,947,971,764.70 - Step 5: Solve for x
x = 91,842,947,971,764.70/10,964,987.04 - Step 6: Final answer
x = 8,376,019.75
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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.