Finding the Fourth Proportional to 7,616,220.76, 11,406,835.14 and 6,402,698.20
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Solution
The fourth proportional to 7,616,220.76, 11,406,835.14 and 6,402,698.20 is: 9,589,339.01
Step by Step Solution
- Step 1: Write the proportion equation
7,616,220.76 : 11,406,835.14 = 6,402,698.20 : x - Step 2: Convert to fraction form
7,616,220.76/11,406,835.14 = 6,402,698.20/x - Step 3: Cross multiply
7,616,220.76x = 11,406,835.14 × 6,402,698.20 - Step 4: Simplify right side
7,616,220.76x = 73,034,522,818,574.75 - Step 5: Solve for x
x = 73,034,522,818,574.75/7,616,220.76 - Step 6: Final answer
x = 9,589,339.01
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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.