Finding the Fourth Proportional to 11,034,306.50, 15,226,398.17 and 6,139,538.06
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Solution
The fourth proportional to 11,034,306.50, 15,226,398.17 and 6,139,538.06 is: 8,472,036.83
Step by Step Solution
- Step 1: Write the proportion equation
11,034,306.50 : 15,226,398.17 = 6,139,538.06 : x - Step 2: Convert to fraction form
11,034,306.50/15,226,398.17 = 6,139,538.06/x - Step 3: Cross multiply
11,034,306.50x = 15,226,398.17 × 6,139,538.06 - Step 4: Simplify right side
11,034,306.50x = 93,483,050,974,599.66 - Step 5: Solve for x
x = 93,483,050,974,599.66/11,034,306.50 - Step 6: Final answer
x = 8,472,036.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.