Finding the Fourth Proportional to 10,485,409.30, 15,696,621.15 and 6,223,383.70
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Solution
The fourth proportional to 10,485,409.30, 15,696,621.15 and 6,223,383.70 is: 9,316,383.69
Step by Step Solution
- Step 1: Write the proportion equation
10,485,409.30 : 15,696,621.15 = 6,223,383.70 : x - Step 2: Convert to fraction form
10,485,409.30/15,696,621.15 = 6,223,383.70/x - Step 3: Cross multiply
10,485,409.30x = 15,696,621.15 × 6,223,383.70 - Step 4: Simplify right side
10,485,409.30x = 97,686,096,209,985.27 - Step 5: Solve for x
x = 97,686,096,209,985.27/10,485,409.30 - Step 6: Final answer
x = 9,316,383.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.