Finding the Fourth Proportional to 40,943,724.30, 61,415,586.45 and 19,420,363.80
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Solution
The fourth proportional to 40,943,724.30, 61,415,586.45 and 19,420,363.80 is: 29,130,545.70
Step by Step Solution
- Step 1: Write the proportion equation
40,943,724.30 : 61,415,586.45 = 19,420,363.80 : x - Step 2: Convert to fraction form
40,943,724.30/61,415,586.45 = 19,420,363.80/x - Step 3: Cross multiply
40,943,724.30x = 61,415,586.45 × 19,420,363.80 - Step 4: Simplify right side
40,943,724.30x = 1,192,713,031,849,350.50 - Step 5: Solve for x
x = 1,192,713,031,849,350.50/40,943,724.30 - Step 6: Final answer
x = 29,130,545.70
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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.