Finding the Fourth Proportional to 7,243,283.84, 9,995,698.88 and 3,980,089.08
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Solution
The fourth proportional to 7,243,283.84, 9,995,698.88 and 3,980,089.08 is: 5,492,504.90
Step by Step Solution
- Step 1: Write the proportion equation
7,243,283.84 : 9,995,698.88 = 3,980,089.08 : x - Step 2: Convert to fraction form
7,243,283.84/9,995,698.88 = 3,980,089.08/x - Step 3: Cross multiply
7,243,283.84x = 9,995,698.88 × 3,980,089.08 - Step 4: Simplify right side
7,243,283.84x = 39,783,771,959,256.23 - Step 5: Solve for x
x = 39,783,771,959,256.23/7,243,283.84 - Step 6: Final answer
x = 5,492,504.90
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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.