Finding the Fourth Proportional to 15,448,454.46, 21,319,594.48 and 8,572,993.02
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Solution
The fourth proportional to 15,448,454.46, 21,319,594.48 and 8,572,993.02 is: 11,831,133.99
Step by Step Solution
- Step 1: Write the proportion equation
15,448,454.46 : 21,319,594.48 = 8,572,993.02 : x - Step 2: Convert to fraction form
15,448,454.46/21,319,594.48 = 8,572,993.02/x - Step 3: Cross multiply
15,448,454.46x = 21,319,594.48 × 8,572,993.02 - Step 4: Simplify right side
15,448,454.46x = 182,772,734,666,270.53 - Step 5: Solve for x
x = 182,772,734,666,270.53/15,448,454.46 - Step 6: Final answer
x = 11,831,133.99
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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.