Finding the Fourth Proportional to 47,338,987.95, 70,965,848.93 and 17,025,534.99
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Solution
The fourth proportional to 47,338,987.95, 70,965,848.93 and 17,025,534.99 is: 25,522,969.47
Step by Step Solution
- Step 1: Write the proportion equation
47,338,987.95 : 70,965,848.93 = 17,025,534.99 : x - Step 2: Convert to fraction form
47,338,987.95/70,965,848.93 = 17,025,534.99/x - Step 3: Cross multiply
47,338,987.95x = 70,965,848.93 × 17,025,534.99 - Step 4: Simplify right side
47,338,987.95x = 1,208,231,543,967,641.25 - Step 5: Solve for x
x = 1,208,231,543,967,641.25/47,338,987.95 - Step 6: Final answer
x = 25,522,969.47
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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.