Finding the Fourth Proportional to 10,830,135.60, 16,245,203.40 and 4,444,970.40
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Solution
The fourth proportional to 10,830,135.60, 16,245,203.40 and 4,444,970.40 is: 6,667,455.60
Step by Step Solution
- Step 1: Write the proportion equation
10,830,135.60 : 16,245,203.40 = 4,444,970.40 : x - Step 2: Convert to fraction form
10,830,135.60/16,245,203.40 = 4,444,970.40/x - Step 3: Cross multiply
10,830,135.60x = 16,245,203.40 × 4,444,970.40 - Step 4: Simplify right side
10,830,135.60x = 72,209,448,254,979.38 - Step 5: Solve for x
x = 72,209,448,254,979.38/10,830,135.60 - Step 6: Final answer
x = 6,667,455.60
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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.