Finding the Fourth Proportional to 28,804,764.95, 39,753,656.14 and 17,648,661.63
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Solution
The fourth proportional to 28,804,764.95, 39,753,656.14 and 17,648,661.63 is: 24,357,040.47
Step by Step Solution
- Step 1: Write the proportion equation
28,804,764.95 : 39,753,656.14 = 17,648,661.63 : x - Step 2: Convert to fraction form
28,804,764.95/39,753,656.14 = 17,648,661.63/x - Step 3: Cross multiply
28,804,764.95x = 39,753,656.14 × 17,648,661.63 - Step 4: Simplify right side
28,804,764.95x = 701,598,825,571,463.62 - Step 5: Solve for x
x = 701,598,825,571,463.62/28,804,764.95 - Step 6: Final answer
x = 24,357,040.47
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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.