Finding the Fourth Proportional to 48,398,253.20, 72,595,630.20 and 19,643,577.20
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Solution
The fourth proportional to 48,398,253.20, 72,595,630.20 and 19,643,577.20 is: 29,464,655.68
Step by Step Solution
- Step 1: Write the proportion equation
48,398,253.20 : 72,595,630.20 = 19,643,577.20 : x - Step 2: Convert to fraction form
48,398,253.20/72,595,630.20 = 19,643,577.20/x - Step 3: Cross multiply
48,398,253.20x = 72,595,630.20 × 19,643,577.20 - Step 4: Simplify right side
48,398,253.20x = 1,426,037,866,216,351.50 - Step 5: Solve for x
x = 1,426,037,866,216,351.50/48,398,253.20 - Step 6: Final answer
x = 29,464,655.68
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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.