Finding the Fourth Proportional to 13,190,372.10, 19,787,526.45 and 4,670,038.80
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Solution
The fourth proportional to 13,190,372.10, 19,787,526.45 and 4,670,038.80 is: 7,005,755.07
Step by Step Solution
- Step 1: Write the proportion equation
13,190,372.10 : 19,787,526.45 = 4,670,038.80 : x - Step 2: Convert to fraction form
13,190,372.10/19,787,526.45 = 4,670,038.80/x - Step 3: Cross multiply
13,190,372.10x = 19,787,526.45 × 4,670,038.80 - Step 4: Simplify right side
13,190,372.10x = 92,408,516,277,526.25 - Step 5: Solve for x
x = 92,408,516,277,526.25/13,190,372.10 - Step 6: Final answer
x = 7,005,755.07
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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.