Finding the Fourth Proportional to 19,485,499.32, 29,234,740.12 and 6,532,931.68
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Solution
The fourth proportional to 19,485,499.32, 29,234,740.12 and 6,532,931.68 is: 9,801,573.81
Step by Step Solution
- Step 1: Write the proportion equation
19,485,499.32 : 29,234,740.12 = 6,532,931.68 : x - Step 2: Convert to fraction form
19,485,499.32/29,234,740.12 = 6,532,931.68/x - Step 3: Cross multiply
19,485,499.32x = 29,234,740.12 × 6,532,931.68 - Step 4: Simplify right side
19,485,499.32x = 190,988,559,886,515 - Step 5: Solve for x
x = 190,988,559,886,515/19,485,499.32 - Step 6: Final answer
x = 9,801,573.81
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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.