Finding the Fourth Proportional to 13,292,188.21, 19,941,826.62 and 4,772,598.49
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Solution
The fourth proportional to 13,292,188.21, 19,941,826.62 and 4,772,598.49 is: 7,160,170.33
Step by Step Solution
- Step 1: Write the proportion equation
13,292,188.21 : 19,941,826.62 = 4,772,598.49 : x - Step 2: Convert to fraction form
13,292,188.21/19,941,826.62 = 4,772,598.49/x - Step 3: Cross multiply
13,292,188.21x = 19,941,826.62 × 4,772,598.49 - Step 4: Simplify right side
13,292,188.21x = 95,174,331,564,599.23 - Step 5: Solve for x
x = 95,174,331,564,599.23/13,292,188.21 - Step 6: Final answer
x = 7,160,170.33
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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.