Finding the Fourth Proportional to 56,070,865.98, 84,105,738.09 and 17,732,386.62
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Solution
The fourth proportional to 56,070,865.98, 84,105,738.09 and 17,732,386.62 is: 26,598,402.55
Step by Step Solution
- Step 1: Write the proportion equation
56,070,865.98 : 84,105,738.09 = 17,732,386.62 : x - Step 2: Convert to fraction form
56,070,865.98/84,105,738.09 = 17,732,386.62/x - Step 3: Cross multiply
56,070,865.98x = 84,105,738.09 × 17,732,386.62 - Step 4: Simplify right side
56,070,865.98x = 1,491,395,464,772,340.50 - Step 5: Solve for x
x = 1,491,395,464,772,340.50/56,070,865.98 - Step 6: Final answer
x = 26,598,402.55
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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.