Finding the Fourth Proportional to 7,395,985.28, 10,209,602.40 and 4,496,302.08
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Solution
The fourth proportional to 7,395,985.28, 10,209,602.40 and 4,496,302.08 is: 6,206,807.45
Step by Step Solution
- Step 1: Write the proportion equation
7,395,985.28 : 10,209,602.40 = 4,496,302.08 : x - Step 2: Convert to fraction form
7,395,985.28/10,209,602.40 = 4,496,302.08/x - Step 3: Cross multiply
7,395,985.28x = 10,209,602.40 × 4,496,302.08 - Step 4: Simplify right side
7,395,985.28x = 45,905,456,507,092.99 - Step 5: Solve for x
x = 45,905,456,507,092.99/7,395,985.28 - Step 6: Final answer
x = 6,206,807.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.