Finding the Fourth Proportional to 14,239,386.26, 21,360,075.68 and 7,048,989.52
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Solution
The fourth proportional to 14,239,386.26, 21,360,075.68 and 7,048,989.52 is: 10,573,977.48
Step by Step Solution
- Step 1: Write the proportion equation
14,239,386.26 : 21,360,075.68 = 7,048,989.52 : x - Step 2: Convert to fraction form
14,239,386.26/21,360,075.68 = 7,048,989.52/x - Step 3: Cross multiply
14,239,386.26x = 21,360,075.68 × 7,048,989.52 - Step 4: Simplify right side
14,239,386.26x = 150,566,949,614,726.88 - Step 5: Solve for x
x = 150,566,949,614,726.88/14,239,386.26 - Step 6: Final answer
x = 10,573,977.48
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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.