Finding the Fourth Proportional to 27,559,374.19, 38,031,634.58 and 15,169,202.71
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Solution
The fourth proportional to 27,559,374.19, 38,031,634.58 and 15,169,202.71 is: 20,933,333.62
Step by Step Solution
- Step 1: Write the proportion equation
27,559,374.19 : 38,031,634.58 = 15,169,202.71 : x - Step 2: Convert to fraction form
27,559,374.19/38,031,634.58 = 15,169,202.71/x - Step 3: Cross multiply
27,559,374.19x = 38,031,634.58 × 15,169,202.71 - Step 4: Simplify right side
27,559,374.19x = 576,909,574,336,665.75 - Step 5: Solve for x
x = 576,909,574,336,665.75/27,559,374.19 - Step 6: Final answer
x = 20,933,333.62
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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.