Finding the Fourth Proportional to 37,279,139.39, 55,927,511.08 and 11,720,148.80
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Solution
The fourth proportional to 37,279,139.39, 55,927,511.08 and 11,720,148.80 is: 17,582,990.45
Step by Step Solution
- Step 1: Write the proportion equation
37,279,139.39 : 55,927,511.08 = 11,720,148.80 : x - Step 2: Convert to fraction form
37,279,139.39/55,927,511.08 = 11,720,148.80/x - Step 3: Cross multiply
37,279,139.39x = 55,927,511.08 × 11,720,148.80 - Step 4: Simplify right side
37,279,139.39x = 655,478,751,871,248.75 - Step 5: Solve for x
x = 655,478,751,871,248.75/37,279,139.39 - Step 6: Final answer
x = 17,582,990.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.