Finding the Fourth Proportional to 7,021,595.91, 9,690,101.61 and 3,924,119.17
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Solution
The fourth proportional to 7,021,595.91, 9,690,101.61 and 3,924,119.17 is: 5,415,451.70
Step by Step Solution
- Step 1: Write the proportion equation
7,021,595.91 : 9,690,101.61 = 3,924,119.17 : x - Step 2: Convert to fraction form
7,021,595.91/9,690,101.61 = 3,924,119.17/x - Step 3: Cross multiply
7,021,595.91x = 9,690,101.61 × 3,924,119.17 - Step 4: Simplify right side
7,021,595.91x = 38,025,113,484,446.04 - Step 5: Solve for x
x = 38,025,113,484,446.04/7,021,595.91 - Step 6: Final answer
x = 5,415,451.70
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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.