Finding the Fourth Proportional to 19,958,489.60, 29,893,497.60 and 15,456,166.40
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Solution
The fourth proportional to 19,958,489.60, 29,893,497.60 and 15,456,166.40 is: 23,149,991.93
Step by Step Solution
- Step 1: Write the proportion equation
19,958,489.60 : 29,893,497.60 = 15,456,166.40 : x - Step 2: Convert to fraction form
19,958,489.60/29,893,497.60 = 15,456,166.40/x - Step 3: Cross multiply
19,958,489.60x = 29,893,497.60 × 15,456,166.40 - Step 4: Simplify right side
19,958,489.60x = 462,038,873,183,600.69 - Step 5: Solve for x
x = 462,038,873,183,600.69/19,958,489.60 - Step 6: Final answer
x = 23,149,991.93
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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.