Finding the Fourth Proportional to 8,457,681.42, 12,683,678.76 and 3,065,203.08
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Solution
The fourth proportional to 8,457,681.42, 12,683,678.76 and 3,065,203.08 is: 4,596,774.14
Step by Step Solution
- Step 1: Write the proportion equation
8,457,681.42 : 12,683,678.76 = 3,065,203.08 : x - Step 2: Convert to fraction form
8,457,681.42/12,683,678.76 = 3,065,203.08/x - Step 3: Cross multiply
8,457,681.42x = 12,683,678.76 × 3,065,203.08 - Step 4: Simplify right side
8,457,681.42x = 38,878,051,200,882.58 - Step 5: Solve for x
x = 38,878,051,200,882.58/8,457,681.42 - Step 6: Final answer
x = 4,596,774.14
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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.