Finding the Fourth Proportional to 11,581,368.44, 15,984,204.36 and 6,426,390.74
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Solution
The fourth proportional to 11,581,368.44, 15,984,204.36 and 6,426,390.74 is: 8,869,482.34
Step by Step Solution
- Step 1: Write the proportion equation
11,581,368.44 : 15,984,204.36 = 6,426,390.74 : x - Step 2: Convert to fraction form
11,581,368.44/15,984,204.36 = 6,426,390.74/x - Step 3: Cross multiply
11,581,368.44x = 15,984,204.36 × 6,426,390.74 - Step 4: Simplify right side
11,581,368.44x = 102,720,742,885,371.62 - Step 5: Solve for x
x = 102,720,742,885,371.62/11,581,368.44 - Step 6: Final answer
x = 8,869,482.34
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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.