Finding the Fourth Proportional to 19,114,765.84, 28,676,300.58 and 6,984,209.80
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Solution
The fourth proportional to 19,114,765.84, 28,676,300.58 and 6,984,209.80 is: 10,477,831.70
Step by Step Solution
- Step 1: Write the proportion equation
19,114,765.84 : 28,676,300.58 = 6,984,209.80 : x - Step 2: Convert to fraction form
19,114,765.84/28,676,300.58 = 6,984,209.80/x - Step 3: Cross multiply
19,114,765.84x = 28,676,300.58 × 6,984,209.80 - Step 4: Simplify right side
19,114,765.84x = 200,281,299,538,581.66 - Step 5: Solve for x
x = 200,281,299,538,581.66/19,114,765.84 - Step 6: Final answer
x = 10,477,831.70
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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.