Finding the Fourth Proportional to 10,226,823.84, 15,335,259.12 and 5,436,807.84
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Solution
The fourth proportional to 10,226,823.84, 15,335,259.12 and 5,436,807.84 is: 8,152,566.07
Step by Step Solution
- Step 1: Write the proportion equation
10,226,823.84 : 15,335,259.12 = 5,436,807.84 : x - Step 2: Convert to fraction form
10,226,823.84/15,335,259.12 = 5,436,807.84/x - Step 3: Cross multiply
10,226,823.84x = 15,335,259.12 × 5,436,807.84 - Step 4: Simplify right side
10,226,823.84x = 83,374,857,012,047.50 - Step 5: Solve for x
x = 83,374,857,012,047.50/10,226,823.84 - Step 6: Final answer
x = 8,152,566.07
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1.5x scale
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.