Finding the Fourth Proportional to 10,226,827.84, 15,335,265.12 and 5,436,811.84
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Solution
The fourth proportional to 10,226,827.84, 15,335,265.12 and 5,436,811.84 is: 8,152,572.07
Step by Step Solution
- Step 1: Write the proportion equation
10,226,827.84 : 15,335,265.12 = 5,436,811.84 : x - Step 2: Convert to fraction form
10,226,827.84/15,335,265.12 = 5,436,811.84/x - Step 3: Cross multiply
10,226,827.84x = 15,335,265.12 × 5,436,811.84 - Step 4: Simplify right side
10,226,827.84x = 83,374,950,973,955.02 - Step 5: Solve for x
x = 83,374,950,973,955.02/10,226,827.84 - Step 6: Final answer
x = 8,152,572.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.