Finding the Fourth Proportional to 39,660,132.90, 54,736,328.75 and 22,257,433.06
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Solution
The fourth proportional to 39,660,132.90, 54,736,328.75 and 22,257,433.06 is: 30,718,257.45
Step by Step Solution
- Step 1: Write the proportion equation
39,660,132.90 : 54,736,328.75 = 22,257,433.06 : x - Step 2: Convert to fraction form
39,660,132.90/54,736,328.75 = 22,257,433.06/x - Step 3: Cross multiply
39,660,132.90x = 54,736,328.75 × 22,257,433.06 - Step 4: Simplify right side
39,660,132.90x = 1,218,290,172,855,150.50 - Step 5: Solve for x
x = 1,218,290,172,855,150.50/39,660,132.90 - Step 6: Final answer
x = 30,718,257.45
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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.