Finding the Fourth Proportional to 19,785,181.60, 29,679,776.88 and 6,829,643.68
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Solution
The fourth proportional to 19,785,181.60, 29,679,776.88 and 6,829,643.68 is: 10,245,157.45
Step by Step Solution
- Step 1: Write the proportion equation
19,785,181.60 : 29,679,776.88 = 6,829,643.68 : x - Step 2: Convert to fraction form
19,785,181.60/29,679,776.88 = 6,829,643.68/x - Step 3: Cross multiply
19,785,181.60x = 29,679,776.88 × 6,829,643.68 - Step 4: Simplify right side
19,785,181.60x = 202,702,300,592,302.09 - Step 5: Solve for x
x = 202,702,300,592,302.09/19,785,181.60 - Step 6: Final answer
x = 10,245,157.45
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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.