Finding the Fourth Proportional to 39,115,758.30, 58,671,013.05 and 10,361,276.70
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Solution
The fourth proportional to 39,115,758.30, 58,671,013.05 and 10,361,276.70 is: 15,541,219.88
Step by Step Solution
- Step 1: Write the proportion equation
39,115,758.30 : 58,671,013.05 = 10,361,276.70 : x - Step 2: Convert to fraction form
39,115,758.30/58,671,013.05 = 10,361,276.70/x - Step 3: Cross multiply
39,115,758.30x = 58,671,013.05 × 10,361,276.70 - Step 4: Simplify right side
39,115,758.30x = 607,906,600,480,360.88 - Step 5: Solve for x
x = 607,906,600,480,360.88/39,115,758.30 - Step 6: Final answer
x = 15,541,219.88
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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.