Finding the Fourth Proportional to 14,987,686.80, 22,476,281.40 and 7,796,830.80
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Solution
The fourth proportional to 14,987,686.80, 22,476,281.40 and 7,796,830.80 is: 11,692,515.69
Step by Step Solution
- Step 1: Write the proportion equation
14,987,686.80 : 22,476,281.40 = 7,796,830.80 : x - Step 2: Convert to fraction form
14,987,686.80/22,476,281.40 = 7,796,830.80/x - Step 3: Cross multiply
14,987,686.80x = 22,476,281.40 × 7,796,830.80 - Step 4: Simplify right side
14,987,686.80x = 175,243,763,088,987.09 - Step 5: Solve for x
x = 175,243,763,088,987.09/14,987,686.80 - Step 6: Final answer
x = 11,692,515.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.