Finding the Fourth Proportional to 28,444,901.99, 39,254,032.98 and 15,392,300.97
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Solution
The fourth proportional to 28,444,901.99, 39,254,032.98 and 15,392,300.97 is: 21,241,412.26
Step by Step Solution
- Step 1: Write the proportion equation
28,444,901.99 : 39,254,032.98 = 15,392,300.97 : x - Step 2: Convert to fraction form
28,444,901.99/39,254,032.98 = 15,392,300.97/x - Step 3: Cross multiply
28,444,901.99x = 39,254,032.98 × 15,392,300.97 - Step 4: Simplify right side
28,444,901.99x = 604,209,889,914,466 - Step 5: Solve for x
x = 604,209,889,914,466/28,444,901.99 - Step 6: Final answer
x = 21,241,412.26
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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.