Finding the Fourth Proportional to 9,768,047.20, 14,652,070.80 and 2,676,335.20
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Solution
The fourth proportional to 9,768,047.20, 14,652,070.80 and 2,676,335.20 is: 4,014,502.80
Step by Step Solution
- Step 1: Write the proportion equation
9,768,047.20 : 14,652,070.80 = 2,676,335.20 : x - Step 2: Convert to fraction form
9,768,047.20/14,652,070.80 = 2,676,335.20/x - Step 3: Cross multiply
9,768,047.20x = 14,652,070.80 × 2,676,335.20 - Step 4: Simplify right side
9,768,047.20x = 39,213,852,834,932.16 - Step 5: Solve for x
x = 39,213,852,834,932.16/9,768,047.20 - Step 6: Final answer
x = 4,014,502.80
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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.