Finding the Fourth Proportional to 8,299,672, 11,462,995.20 and 5,578,694.08
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Solution
The fourth proportional to 8,299,672, 11,462,995.20 and 5,578,694.08 is: 7,704,948.28
Step by Step Solution
- Step 1: Write the proportion equation
8,299,672 : 11,462,995.20 = 5,578,694.08 : x - Step 2: Convert to fraction form
8,299,672/11,462,995.20 = 5,578,694.08/x - Step 3: Cross multiply
8,299,672x = 11,462,995.20 × 5,578,694.08 - Step 4: Simplify right side
8,299,672x = 63,948,543,461,308.41 - Step 5: Solve for x
x = 63,948,543,461,308.41/8,299,672 - Step 6: Final answer
x = 7,704,948.28
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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.