Finding the Fourth Proportional to 9,042,950.60, 13,564,207.20 and 5,445,991.70
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Solution
The fourth proportional to 9,042,950.60, 13,564,207.20 and 5,445,991.70 is: 8,168,855.84
Step by Step Solution
- Step 1: Write the proportion equation
9,042,950.60 : 13,564,207.20 = 5,445,991.70 : x - Step 2: Convert to fraction form
9,042,950.60/13,564,207.20 = 5,445,991.70/x - Step 3: Cross multiply
9,042,950.60x = 13,564,207.20 × 5,445,991.70 - Step 4: Simplify right side
9,042,950.60x = 73,870,559,828,280.23 - Step 5: Solve for x
x = 73,870,559,828,280.23/9,042,950.60 - Step 6: Final answer
x = 8,168,855.84
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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.