Finding the Fourth Proportional to 47,283,748.26, 70,919,752.11 and 12,742,852.24
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Solution
The fourth proportional to 47,283,748.26, 70,919,752.11 and 12,742,852.24 is: 19,112,696.33
Step by Step Solution
- Step 1: Write the proportion equation
47,283,748.26 : 70,919,752.11 = 12,742,852.24 : x - Step 2: Convert to fraction form
47,283,748.26/70,919,752.11 = 12,742,852.24/x - Step 3: Cross multiply
47,283,748.26x = 70,919,752.11 × 12,742,852.24 - Step 4: Simplify right side
47,283,748.26x = 903,719,922,035,158.25 - Step 5: Solve for x
x = 903,719,922,035,158.25/47,283,748.26 - Step 6: Final answer
x = 19,112,696.33
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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.