Finding the Fourth Proportional to 56,238,719.76, 84,336,270.08 and 19,343,594.18
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Solution
The fourth proportional to 56,238,719.76, 84,336,270.08 and 19,343,594.18 is: 29,007,889.76
Step by Step Solution
- Step 1: Write the proportion equation
56,238,719.76 : 84,336,270.08 = 19,343,594.18 : x - Step 2: Convert to fraction form
56,238,719.76/84,336,270.08 = 19,343,594.18/x - Step 3: Cross multiply
56,238,719.76x = 84,336,270.08 × 19,343,594.18 - Step 4: Simplify right side
56,238,719.76x = 1,631,366,583,082,396 - Step 5: Solve for x
x = 1,631,366,583,082,396/56,238,719.76 - Step 6: Final answer
x = 29,007,889.76
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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.