Finding the Fourth Proportional to 26,648,612.98, 39,966,876.50 and 12,065,905.68
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Solution
The fourth proportional to 26,648,612.98, 39,966,876.50 and 12,065,905.68 is: 18,096,122.40
Step by Step Solution
- Step 1: Write the proportion equation
26,648,612.98 : 39,966,876.50 = 12,065,905.68 : x - Step 2: Convert to fraction form
26,648,612.98/39,966,876.50 = 12,065,905.68/x - Step 3: Cross multiply
26,648,612.98x = 39,966,876.50 × 12,065,905.68 - Step 4: Simplify right side
26,648,612.98x = 482,236,562,173,208.50 - Step 5: Solve for x
x = 482,236,562,173,208.50/26,648,612.98 - Step 6: Final answer
x = 18,096,122.40
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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.