Finding the Fourth Proportional to 19,937,035.07, 29,905,549.41 and 4,790,966.57
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Solution
The fourth proportional to 19,937,035.07, 29,905,549.41 and 4,790,966.57 is: 7,186,449.09
Step by Step Solution
- Step 1: Write the proportion equation
19,937,035.07 : 29,905,549.41 = 4,790,966.57 : x - Step 2: Convert to fraction form
19,937,035.07/29,905,549.41 = 4,790,966.57/x - Step 3: Cross multiply
19,937,035.07x = 29,905,549.41 × 4,790,966.57 - Step 4: Simplify right side
19,937,035.07x = 143,276,487,461,377.41 - Step 5: Solve for x
x = 143,276,487,461,377.41/19,937,035.07 - Step 6: Final answer
x = 7,186,449.09
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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.