Finding the Fourth Proportional to 11,579,862.24, 15,979,901.40 and 6,684,918.84
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Solution
The fourth proportional to 11,579,862.24, 15,979,901.40 and 6,684,918.84 is: 9,225,009.91
Step by Step Solution
- Step 1: Write the proportion equation
11,579,862.24 : 15,979,901.40 = 6,684,918.84 : x - Step 2: Convert to fraction form
11,579,862.24/15,979,901.40 = 6,684,918.84/x - Step 3: Cross multiply
11,579,862.24x = 15,979,901.40 × 6,684,918.84 - Step 4: Simplify right side
11,579,862.24x = 106,824,343,930,202.38 - Step 5: Solve for x
x = 106,824,343,930,202.38/11,579,862.24 - Step 6: Final answer
x = 9,225,009.91
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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.