Finding the Fourth Proportional to 9,136,878.84, 13,698,204.79 and 4,522,681.49
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Solution
The fourth proportional to 9,136,878.84, 13,698,204.79 and 4,522,681.49 is: 6,780,501.12
Step by Step Solution
- Step 1: Write the proportion equation
9,136,878.84 : 13,698,204.79 = 4,522,681.49 : x - Step 2: Convert to fraction form
9,136,878.84/13,698,204.79 = 4,522,681.49/x - Step 3: Cross multiply
9,136,878.84x = 13,698,204.79 × 4,522,681.49 - Step 4: Simplify right side
9,136,878.84x = 61,952,617,197,905.68 - Step 5: Solve for x
x = 61,952,617,197,905.68/9,136,878.84 - Step 6: Final answer
x = 6,780,501.12
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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.