Finding the Fourth Proportional to 84,605,855.70, 126,908,783.55 and 24,021,581.70
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Solution
The fourth proportional to 84,605,855.70, 126,908,783.55 and 24,021,581.70 is: 36,032,372.55
Step by Step Solution
- Step 1: Write the proportion equation
84,605,855.70 : 126,908,783.55 = 24,021,581.70 : x - Step 2: Convert to fraction form
84,605,855.70/126,908,783.55 = 24,021,581.70/x - Step 3: Cross multiply
84,605,855.70x = 126,908,783.55 × 24,021,581.70 - Step 4: Simplify right side
84,605,855.70x = 3,048,549,712,493,941 - Step 5: Solve for x
x = 3,048,549,712,493,941/84,605,855.70 - Step 6: Final answer
x = 36,032,372.55
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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.