Finding the Fourth Proportional to 23,621,715.12, 32,597,966.88 and 12,756,699.12
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Solution
The fourth proportional to 23,621,715.12, 32,597,966.88 and 12,756,699.12 is: 17,604,244.79
Step by Step Solution
- Step 1: Write the proportion equation
23,621,715.12 : 32,597,966.88 = 12,756,699.12 : x - Step 2: Convert to fraction form
23,621,715.12/32,597,966.88 = 12,756,699.12/x - Step 3: Cross multiply
23,621,715.12x = 32,597,966.88 × 12,756,699.12 - Step 4: Simplify right side
23,621,715.12x = 415,842,455,411,885.12 - Step 5: Solve for x
x = 415,842,455,411,885.12/23,621,715.12 - Step 6: Final answer
x = 17,604,244.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.