Finding the Fourth Proportional to 10,012,897.14, 13,818,069.74 and 5,662,633.99
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Solution
The fourth proportional to 10,012,897.14, 13,818,069.74 and 5,662,633.99 is: 7,814,588.56
Step by Step Solution
- Step 1: Write the proportion equation
10,012,897.14 : 13,818,069.74 = 5,662,633.99 : x - Step 2: Convert to fraction form
10,012,897.14/13,818,069.74 = 5,662,633.99/x - Step 3: Cross multiply
10,012,897.14x = 13,818,069.74 × 5,662,633.99 - Step 4: Simplify right side
10,012,897.14x = 78,246,671,357,601.30 - Step 5: Solve for x
x = 78,246,671,357,601.30/10,012,897.14 - Step 6: Final answer
x = 7,814,588.56
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1.5x scale
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.