Finding the Fourth Proportional to 39,668,581.58, 59,482,227.08 and 14,105,875.82
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Solution
The fourth proportional to 39,668,581.58, 59,482,227.08 and 14,105,875.82 is: 21,151,472.40
Step by Step Solution
- Step 1: Write the proportion equation
39,668,581.58 : 59,482,227.08 = 14,105,875.82 : x - Step 2: Convert to fraction form
39,668,581.58/59,482,227.08 = 14,105,875.82/x - Step 3: Cross multiply
39,668,581.58x = 59,482,227.08 × 14,105,875.82 - Step 4: Simplify right side
39,668,581.58x = 839,048,908,425,374.75 - Step 5: Solve for x
x = 839,048,908,425,374.75/39,668,581.58 - Step 6: Final answer
x = 21,151,472.40
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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.