Finding the Fourth Proportional to 11,260,698.70, 15,539,647.74 and 6,299,075.50
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Solution
The fourth proportional to 11,260,698.70, 15,539,647.74 and 6,299,075.50 is: 8,692,659.04
Step by Step Solution
- Step 1: Write the proportion equation
11,260,698.70 : 15,539,647.74 = 6,299,075.50 : x - Step 2: Convert to fraction form
11,260,698.70/15,539,647.74 = 6,299,075.50/x - Step 3: Cross multiply
11,260,698.70x = 15,539,647.74 × 6,299,075.50 - Step 4: Simplify right side
11,260,698.70x = 97,885,414,357,664.38 - Step 5: Solve for x
x = 97,885,414,357,664.38/11,260,698.70 - Step 6: Final answer
x = 8,692,659.04
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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.