Finding the Fourth Proportional to 8,357,733.41, 11,535,326.18 and 5,421,189.74
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Solution
The fourth proportional to 8,357,733.41, 11,535,326.18 and 5,421,189.74 is: 7,482,314.74
Step by Step Solution
- Step 1: Write the proportion equation
8,357,733.41 : 11,535,326.18 = 5,421,189.74 : x - Step 2: Convert to fraction form
8,357,733.41/11,535,326.18 = 5,421,189.74/x - Step 3: Cross multiply
8,357,733.41x = 11,535,326.18 × 5,421,189.74 - Step 4: Simplify right side
8,357,733.41x = 62,535,191,870,116.28 - Step 5: Solve for x
x = 62,535,191,870,116.28/8,357,733.41 - Step 6: Final answer
x = 7,482,314.74
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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.