Finding the Fourth Proportional to 14,484,394.96, 19,980,152.35 and 9,042,439.12
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Solution
The fourth proportional to 14,484,394.96, 19,980,152.35 and 9,042,439.12 is: 12,473,376.47
Step by Step Solution
- Step 1: Write the proportion equation
14,484,394.96 : 19,980,152.35 = 9,042,439.12 : x - Step 2: Convert to fraction form
14,484,394.96/19,980,152.35 = 9,042,439.12/x - Step 3: Cross multiply
14,484,394.96x = 19,980,152.35 × 9,042,439.12 - Step 4: Simplify right side
14,484,394.96x = 180,669,311,233,199.94 - Step 5: Solve for x
x = 180,669,311,233,199.94/14,484,394.96 - Step 6: Final answer
x = 12,473,376.47
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1.5x scale
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.