Finding the Fourth Proportional to 39,558,602.80, 59,348,401.80 and 13,996,946.80
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Solution
The fourth proportional to 39,558,602.80, 59,348,401.80 and 13,996,946.80 is: 20,999,134.55
Step by Step Solution
- Step 1: Write the proportion equation
39,558,602.80 : 59,348,401.80 = 13,996,946.80 : x - Step 2: Convert to fraction form
39,558,602.80/59,348,401.80 = 13,996,946.80/x - Step 3: Cross multiply
39,558,602.80x = 59,348,401.80 × 13,996,946.80 - Step 4: Simplify right side
39,558,602.80x = 830,696,422,659,624.25 - Step 5: Solve for x
x = 830,696,422,659,624.25/39,558,602.80 - Step 6: Final answer
x = 20,999,134.55
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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.