Finding the Fourth Proportional to 11,977,565.80, 17,963,432.70 and 3,457,013.80
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Solution
The fourth proportional to 11,977,565.80, 17,963,432.70 and 3,457,013.80 is: 5,184,679.07
Step by Step Solution
- Step 1: Write the proportion equation
11,977,565.80 : 17,963,432.70 = 3,457,013.80 : x - Step 2: Convert to fraction form
11,977,565.80/17,963,432.70 = 3,457,013.80/x - Step 3: Cross multiply
11,977,565.80x = 17,963,432.70 × 3,457,013.80 - Step 4: Simplify right side
11,977,565.80x = 62,099,834,739,271.26 - Step 5: Solve for x
x = 62,099,834,739,271.26/11,977,565.80 - Step 6: Final answer
x = 5,184,679.07
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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.