Finding the Fourth Proportional to 7,543,439.84, 11,316,220.68 and 2,424,155.60
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Solution
The fourth proportional to 7,543,439.84, 11,316,220.68 and 2,424,155.60 is: 3,636,574.34
Step by Step Solution
- Step 1: Write the proportion equation
7,543,439.84 : 11,316,220.68 = 2,424,155.60 : x - Step 2: Convert to fraction form
7,543,439.84/11,316,220.68 = 2,424,155.60/x - Step 3: Cross multiply
7,543,439.84x = 11,316,220.68 × 2,424,155.60 - Step 4: Simplify right side
7,543,439.84x = 27,432,279,732,257.81 - Step 5: Solve for x
x = 27,432,279,732,257.81/7,543,439.84 - Step 6: Final answer
x = 3,636,574.34
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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.