Finding the Fourth Proportional to 10,368,835.20, 15,553,252.80 and 6,585,033.60
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Solution
The fourth proportional to 10,368,835.20, 15,553,252.80 and 6,585,033.60 is: 9,877,550.40
Step by Step Solution
- Step 1: Write the proportion equation
10,368,835.20 : 15,553,252.80 = 6,585,033.60 : x - Step 2: Convert to fraction form
10,368,835.20/15,553,252.80 = 6,585,033.60/x - Step 3: Cross multiply
10,368,835.20x = 15,553,252.80 × 6,585,033.60 - Step 4: Simplify right side
10,368,835.20x = 102,418,692,277,294.08 - Step 5: Solve for x
x = 102,418,692,277,294.08/10,368,835.20 - Step 6: Final answer
x = 9,877,550.40
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1.5x scale
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.