Finding the Fourth Proportional to 7,393,420.56, 10,202,807.88 and 4,130,282.10
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Solution
The fourth proportional to 7,393,420.56, 10,202,807.88 and 4,130,282.10 is: 5,699,726.45
Step by Step Solution
- Step 1: Write the proportion equation
7,393,420.56 : 10,202,807.88 = 4,130,282.10 : x - Step 2: Convert to fraction form
7,393,420.56/10,202,807.88 = 4,130,282.10/x - Step 3: Cross multiply
7,393,420.56x = 10,202,807.88 × 4,130,282.10 - Step 4: Simplify right side
7,393,420.56x = 42,140,474,756,502.95 - Step 5: Solve for x
x = 42,140,474,756,502.95/7,393,420.56 - Step 6: Final answer
x = 5,699,726.45
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1.5x scale
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.