Finding the Fourth Proportional to 9,579,854.20, 14,369,781.30 and 6,178,631.80
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Solution
The fourth proportional to 9,579,854.20, 14,369,781.30 and 6,178,631.80 is: 9,267,947.70
Step by Step Solution
- Step 1: Write the proportion equation
9,579,854.20 : 14,369,781.30 = 6,178,631.80 : x - Step 2: Convert to fraction form
9,579,854.20/14,369,781.30 = 6,178,631.80/x - Step 3: Cross multiply
9,579,854.20x = 14,369,781.30 × 6,178,631.80 - Step 4: Simplify right side
9,579,854.20x = 88,785,587,699,225.34 - Step 5: Solve for x
x = 88,785,587,699,225.34/9,579,854.20 - Step 6: Final answer
x = 9,267,947.70
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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.