Finding the Fourth Proportional to 20,735,383.98, 31,101,913.40 and 6,358,412.30
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Solution
The fourth proportional to 20,735,383.98, 31,101,913.40 and 6,358,412.30 is: 9,537,261.95
Step by Step Solution
- Step 1: Write the proportion equation
20,735,383.98 : 31,101,913.40 = 6,358,412.30 : x - Step 2: Convert to fraction form
20,735,383.98/31,101,913.40 = 6,358,412.30/x - Step 3: Cross multiply
20,735,383.98x = 31,101,913.40 × 6,358,412.30 - Step 4: Simplify right side
20,735,383.98x = 197,758,788,716,094.81 - Step 5: Solve for x
x = 197,758,788,716,094.81/20,735,383.98 - Step 6: Final answer
x = 9,537,261.95
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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.