Finding the Fourth Proportional to 22,808,080.60, 31,475,149.50 and 13,640,723.08
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Solution
The fourth proportional to 22,808,080.60, 31,475,149.50 and 13,640,723.08 is: 18,824,196.82
Step by Step Solution
- Step 1: Write the proportion equation
22,808,080.60 : 31,475,149.50 = 13,640,723.08 : x - Step 2: Convert to fraction form
22,808,080.60/31,475,149.50 = 13,640,723.08/x - Step 3: Cross multiply
22,808,080.60x = 31,475,149.50 × 13,640,723.08 - Step 4: Simplify right side
22,808,080.60x = 429,343,798,231,100.44 - Step 5: Solve for x
x = 429,343,798,231,100.44/22,808,080.60 - Step 6: Final answer
x = 18,824,196.82
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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.