Finding the Fourth Proportional to 42,848,434.40, 64,264,282.47 and 13,694,453.03
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Solution
The fourth proportional to 42,848,434.40, 64,264,282.47 and 13,694,453.03 is: 20,539,004.75
Step by Step Solution
- Step 1: Write the proportion equation
42,848,434.40 : 64,264,282.47 = 13,694,453.03 : x - Step 2: Convert to fraction form
42,848,434.40/64,264,282.47 = 13,694,453.03/x - Step 3: Cross multiply
42,848,434.40x = 64,264,282.47 × 13,694,453.03 - Step 4: Simplify right side
42,848,434.40x = 880,064,197,470,746 - Step 5: Solve for x
x = 880,064,197,470,746/42,848,434.40 - Step 6: Final answer
x = 20,539,004.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.