Finding the Fourth Proportional to 19,152,070.80, 28,728,106.20 and 6,372,992.40
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Solution
The fourth proportional to 19,152,070.80, 28,728,106.20 and 6,372,992.40 is: 9,559,488.60
Step by Step Solution
- Step 1: Write the proportion equation
19,152,070.80 : 28,728,106.20 = 6,372,992.40 : x - Step 2: Convert to fraction form
19,152,070.80/28,728,106.20 = 6,372,992.40/x - Step 3: Cross multiply
19,152,070.80x = 28,728,106.20 × 6,372,992.40 - Step 4: Simplify right side
19,152,070.80x = 183,084,002,478,992.88 - Step 5: Solve for x
x = 183,084,002,478,992.88/19,152,070.80 - Step 6: Final answer
x = 9,559,488.60
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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.