Finding the Fourth Proportional to 7,000,720.20, 10,488,638.70 and 6,005,392.20
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Solution
The fourth proportional to 7,000,720.20, 10,488,638.70 and 6,005,392.20 is: 8,997,415.59
Step by Step Solution
- Step 1: Write the proportion equation
7,000,720.20 : 10,488,638.70 = 6,005,392.20 : x - Step 2: Convert to fraction form
7,000,720.20/10,488,638.70 = 6,005,392.20/x - Step 3: Cross multiply
7,000,720.20x = 10,488,638.70 × 6,005,392.20 - Step 4: Simplify right side
7,000,720.20x = 62,988,389,037,598.14 - Step 5: Solve for x
x = 62,988,389,037,598.14/7,000,720.20 - Step 6: Final answer
x = 8,997,415.59
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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.