Finding the Fourth Proportional to 42,623,937.36, 58,781,782.80 and 27,934,251.84
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Solution
The fourth proportional to 42,623,937.36, 58,781,782.80 and 27,934,251.84 is: 38,523,543.95
Step by Step Solution
- Step 1: Write the proportion equation
42,623,937.36 : 58,781,782.80 = 27,934,251.84 : x - Step 2: Convert to fraction form
42,623,937.36/58,781,782.80 = 27,934,251.84/x - Step 3: Cross multiply
42,623,937.36x = 58,781,782.80 × 27,934,251.84 - Step 4: Simplify right side
42,623,937.36x = 1,642,025,124,339,380.25 - Step 5: Solve for x
x = 1,642,025,124,339,380.25/42,623,937.36 - Step 6: Final answer
x = 38,523,543.95
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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.