Finding the Fourth Proportional to 39,900,719, 55,063,015.80 and 22,259,621.63
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Solution
The fourth proportional to 39,900,719, 55,063,015.80 and 22,259,621.63 is: 30,718,291.00
Step by Step Solution
- Step 1: Write the proportion equation
39,900,719 : 55,063,015.80 = 22,259,621.63 : x - Step 2: Convert to fraction form
39,900,719/55,063,015.80 = 22,259,621.63/x - Step 3: Cross multiply
39,900,719x = 55,063,015.80 × 22,259,621.63 - Step 4: Simplify right side
39,900,719x = 1,225,681,897,514,711.75 - Step 5: Solve for x
x = 1,225,681,897,514,711.75/39,900,719 - Step 6: Final answer
x = 30,718,291.00
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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.