Finding the Fourth Proportional to 30,369,588.62, 45,565,011.68 and 8,805,484.31
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Solution
The fourth proportional to 30,369,588.62, 45,565,011.68 and 8,805,484.31 is: 13,211,308.20
Step by Step Solution
- Step 1: Write the proportion equation
30,369,588.62 : 45,565,011.68 = 8,805,484.31 : x - Step 2: Convert to fraction form
30,369,588.62/45,565,011.68 = 8,805,484.31/x - Step 3: Cross multiply
30,369,588.62x = 45,565,011.68 × 8,805,484.31 - Step 4: Simplify right side
30,369,588.62x = 401,221,995,161,354.25 - Step 5: Solve for x
x = 401,221,995,161,354.25/30,369,588.62 - Step 6: Final answer
x = 13,211,308.20
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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.