Finding the Fourth Proportional to 13,203,266.10, 19,781,279.55 and 8,148,671.70
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Solution
The fourth proportional to 13,203,266.10, 19,781,279.55 and 8,148,671.70 is: 12,208,430.22
Step by Step Solution
- Step 1: Write the proportion equation
13,203,266.10 : 19,781,279.55 = 8,148,671.70 : x - Step 2: Convert to fraction form
13,203,266.10/19,781,279.55 = 8,148,671.70/x - Step 3: Cross multiply
13,203,266.10x = 19,781,279.55 × 8,148,671.70 - Step 4: Simplify right side
13,203,266.10x = 161,191,152,858,873.75 - Step 5: Solve for x
x = 161,191,152,858,873.75/13,203,266.10 - Step 6: Final answer
x = 12,208,430.22
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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.