Finding the Fourth Proportional to 19,077,888.04, 28,487,607.67 and 15,143,201.14
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Solution
The fourth proportional to 19,077,888.04, 28,487,607.67 and 15,143,201.14 is: 22,612,228.99
Step by Step Solution
- Step 1: Write the proportion equation
19,077,888.04 : 28,487,607.67 = 15,143,201.14 : x - Step 2: Convert to fraction form
19,077,888.04/28,487,607.67 = 15,143,201.14/x - Step 3: Cross multiply
19,077,888.04x = 28,487,607.67 × 15,143,201.14 - Step 4: Simplify right side
19,077,888.04x = 431,393,572,944,216.81 - Step 5: Solve for x
x = 431,393,572,944,216.81/19,077,888.04 - Step 6: Final answer
x = 22,612,228.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.