Finding the Fourth Proportional to 28,427,073.84, 39,229,362 and 15,374,332.80
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Solution
The fourth proportional to 28,427,073.84, 39,229,362 and 15,374,332.80 is: 21,216,579.32
Step by Step Solution
- Step 1: Write the proportion equation
28,427,073.84 : 39,229,362 = 15,374,332.80 : x - Step 2: Convert to fraction form
28,427,073.84/39,229,362 = 15,374,332.80/x - Step 3: Cross multiply
28,427,073.84x = 39,229,362 × 15,374,332.80 - Step 4: Simplify right side
28,427,073.84x = 603,125,266,919,673.62 - Step 5: Solve for x
x = 603,125,266,919,673.62/28,427,073.84 - Step 6: Final answer
x = 21,216,579.32
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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.