Finding the Fourth Proportional to 14,919,587.97, 22,379,306.95 and 12,891,661.44
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Solution
The fourth proportional to 14,919,587.97, 22,379,306.95 and 12,891,661.44 is: 19,337,427.35
Step by Step Solution
- Step 1: Write the proportion equation
14,919,587.97 : 22,379,306.95 = 12,891,661.44 : x - Step 2: Convert to fraction form
14,919,587.97/22,379,306.95 = 12,891,661.44/x - Step 3: Cross multiply
14,919,587.97x = 22,379,306.95 × 12,891,661.44 - Step 4: Simplify right side
14,919,587.97x = 288,506,448,461,239 - Step 5: Solve for x
x = 288,506,448,461,239/14,919,587.97 - Step 6: Final answer
x = 19,337,427.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.