Finding the Fourth Proportional to 7,272,017.80, 10,908,026.70 and 3,228,497.80
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Solution
The fourth proportional to 7,272,017.80, 10,908,026.70 and 3,228,497.80 is: 4,842,746.70
Step by Step Solution
- Step 1: Write the proportion equation
7,272,017.80 : 10,908,026.70 = 3,228,497.80 : x - Step 2: Convert to fraction form
7,272,017.80/10,908,026.70 = 3,228,497.80/x - Step 3: Cross multiply
7,272,017.80x = 10,908,026.70 × 3,228,497.80 - Step 4: Simplify right side
7,272,017.80x = 35,216,540,203,291.26 - Step 5: Solve for x
x = 35,216,540,203,291.26/7,272,017.80 - Step 6: Final answer
x = 4,842,746.70
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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.