Finding the Fourth Proportional to 19,300,303.97, 28,951,387.05 and 6,346,167.84
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Solution
The fourth proportional to 19,300,303.97, 28,951,387.05 and 6,346,167.84 is: 9,519,557.92
Step by Step Solution
- Step 1: Write the proportion equation
19,300,303.97 : 28,951,387.05 = 6,346,167.84 : x - Step 2: Convert to fraction form
19,300,303.97/28,951,387.05 = 6,346,167.84/x - Step 3: Cross multiply
19,300,303.97x = 28,951,387.05 × 6,346,167.84 - Step 4: Simplify right side
19,300,303.97x = 183,730,361,420,102.47 - Step 5: Solve for x
x = 183,730,361,420,102.47/19,300,303.97 - Step 6: Final answer
x = 9,519,557.92
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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.