Finding the Fourth Proportional to 29,612,703.04, 40,849,116.96 and 17,221,439.68
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Solution
The fourth proportional to 29,612,703.04, 40,849,116.96 and 17,221,439.68 is: 23,756,041.55
Step by Step Solution
- Step 1: Write the proportion equation
29,612,703.04 : 40,849,116.96 = 17,221,439.68 : x - Step 2: Convert to fraction form
29,612,703.04/40,849,116.96 = 17,221,439.68/x - Step 3: Cross multiply
29,612,703.04x = 40,849,116.96 × 17,221,439.68 - Step 4: Simplify right side
29,612,703.04x = 703,480,603,707,905 - Step 5: Solve for x
x = 703,480,603,707,905/29,612,703.04 - Step 6: Final answer
x = 23,756,041.55
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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.