Finding the Fourth Proportional to 11,437,214.40, 15,782,886.68 and 6,210,019.46
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Solution
The fourth proportional to 11,437,214.40, 15,782,886.68 and 6,210,019.46 is: 8,569,572.09
Step by Step Solution
- Step 1: Write the proportion equation
11,437,214.40 : 15,782,886.68 = 6,210,019.46 : x - Step 2: Convert to fraction form
11,437,214.40/15,782,886.68 = 6,210,019.46/x - Step 3: Cross multiply
11,437,214.40x = 15,782,886.68 × 6,210,019.46 - Step 4: Simplify right side
11,437,214.40x = 98,012,033,354,865.75 - Step 5: Solve for x
x = 98,012,033,354,865.75/11,437,214.40 - Step 6: Final answer
x = 8,569,572.09
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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.