Finding the Fourth Proportional to 7,429,501.80, 11,144,252.70 and 6,366,619.80
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Solution
The fourth proportional to 7,429,501.80, 11,144,252.70 and 6,366,619.80 is: 9,549,929.70
Step by Step Solution
- Step 1: Write the proportion equation
7,429,501.80 : 11,144,252.70 = 6,366,619.80 : x - Step 2: Convert to fraction form
7,429,501.80/11,144,252.70 = 6,366,619.80/x - Step 3: Cross multiply
7,429,501.80x = 11,144,252.70 × 6,366,619.80 - Step 4: Simplify right side
7,429,501.80x = 70,951,219,896,023.45 - Step 5: Solve for x
x = 70,951,219,896,023.45/7,429,501.80 - Step 6: Final answer
x = 9,549,929.70
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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.