Finding the Fourth Proportional to 13,029,636.13, 19,543,962.80 and 3,931,491.06
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Solution
The fourth proportional to 13,029,636.13, 19,543,962.80 and 3,931,491.06 is: 5,897,088.32
Step by Step Solution
- Step 1: Write the proportion equation
13,029,636.13 : 19,543,962.80 = 3,931,491.06 : x - Step 2: Convert to fraction form
13,029,636.13/19,543,962.80 = 3,931,491.06/x - Step 3: Cross multiply
13,029,636.13x = 19,543,962.80 × 3,931,491.06 - Step 4: Simplify right side
13,029,636.13x = 76,836,915,035,001.30 - Step 5: Solve for x
x = 76,836,915,035,001.30/13,029,636.13 - Step 6: Final answer
x = 5,897,088.32
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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.