Finding the Fourth Proportional to 37,189,210.17, 55,751,865.21 and 12,924,984.63
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Solution
The fourth proportional to 37,189,210.17, 55,751,865.21 and 12,924,984.63 is: 19,376,372.81
Step by Step Solution
- Step 1: Write the proportion equation
37,189,210.17 : 55,751,865.21 = 12,924,984.63 : x - Step 2: Convert to fraction form
37,189,210.17/55,751,865.21 = 12,924,984.63/x - Step 3: Cross multiply
37,189,210.17x = 55,751,865.21 × 12,924,984.63 - Step 4: Simplify right side
37,189,210.17x = 720,592,000,933,081.75 - Step 5: Solve for x
x = 720,592,000,933,081.75/37,189,210.17 - Step 6: Final answer
x = 19,376,372.81
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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.