Finding the Fourth Proportional to 14,209,221.80, 21,303,335.10 and 6,115,572.20
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Solution
The fourth proportional to 14,209,221.80, 21,303,335.10 and 6,115,572.20 is: 9,168,840.19
Step by Step Solution
- Step 1: Write the proportion equation
14,209,221.80 : 21,303,335.10 = 6,115,572.20 : x - Step 2: Convert to fraction form
14,209,221.80/21,303,335.10 = 6,115,572.20/x - Step 3: Cross multiply
14,209,221.80x = 21,303,335.10 × 6,115,572.20 - Step 4: Simplify right side
14,209,221.80x = 130,282,083,904,844.23 - Step 5: Solve for x
x = 130,282,083,904,844.23/14,209,221.80 - Step 6: Final answer
x = 9,168,840.19
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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.