Finding the Fourth Proportional to 27,806,569.22, 38,375,337.94 and 15,420,541.70
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Solution
The fourth proportional to 27,806,569.22, 38,375,337.94 and 15,420,541.70 is: 21,281,607.75
Step by Step Solution
- Step 1: Write the proportion equation
27,806,569.22 : 38,375,337.94 = 15,420,541.70 : x - Step 2: Convert to fraction form
27,806,569.22/38,375,337.94 = 15,420,541.70/x - Step 3: Cross multiply
27,806,569.22x = 38,375,337.94 × 15,420,541.70 - Step 4: Simplify right side
27,806,569.22x = 591,768,498,955,362 - Step 5: Solve for x
x = 591,768,498,955,362/27,806,569.22 - Step 6: Final answer
x = 21,281,607.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.