Finding the Fourth Proportional to 25,536,726.51, 35,231,473.87 and 19,658,158.59
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Solution
The fourth proportional to 25,536,726.51, 35,231,473.87 and 19,658,158.59 is: 27,121,169.99
Step by Step Solution
- Step 1: Write the proportion equation
25,536,726.51 : 35,231,473.87 = 19,658,158.59 : x - Step 2: Convert to fraction form
25,536,726.51/35,231,473.87 = 19,658,158.59/x - Step 3: Cross multiply
25,536,726.51x = 35,231,473.87 × 19,658,158.59 - Step 4: Simplify right side
25,536,726.51x = 692,585,900,695,901 - Step 5: Solve for x
x = 692,585,900,695,901/25,536,726.51 - Step 6: Final answer
x = 27,121,169.99
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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.