Finding the Fourth Proportional to 23,176,907.20, 34,765,360.80 and 13,596,875.20
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Solution
The fourth proportional to 23,176,907.20, 34,765,360.80 and 13,596,875.20 is: 20,395,312.80
Step by Step Solution
- Step 1: Write the proportion equation
23,176,907.20 : 34,765,360.80 = 13,596,875.20 : x - Step 2: Convert to fraction form
23,176,907.20/34,765,360.80 = 13,596,875.20/x - Step 3: Cross multiply
23,176,907.20x = 34,765,360.80 × 13,596,875.20 - Step 4: Simplify right side
23,176,907.20x = 472,700,272,080,572.06 - Step 5: Solve for x
x = 472,700,272,080,572.06/23,176,907.20 - Step 6: Final answer
x = 20,395,312.80
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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.