Finding the Fourth Proportional to 38,896,410.84, 53,677,029.24 and 21,492,603.84
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Solution
The fourth proportional to 38,896,410.84, 53,677,029.24 and 21,492,603.84 is: 29,659,783.51
Step by Step Solution
- Step 1: Write the proportion equation
38,896,410.84 : 53,677,029.24 = 21,492,603.84 : x - Step 2: Convert to fraction form
38,896,410.84/53,677,029.24 = 21,492,603.84/x - Step 3: Cross multiply
38,896,410.84x = 53,677,029.24 × 21,492,603.84 - Step 4: Simplify right side
38,896,410.84x = 1,153,659,124,763,416.25 - Step 5: Solve for x
x = 1,153,659,124,763,416.25/38,896,410.84 - Step 6: Final answer
x = 29,659,783.51
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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.