Finding the Fourth Proportional to 56,116,497.84, 84,178,012.72 and 15,730,131.12
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Solution
The fourth proportional to 56,116,497.84, 84,178,012.72 and 15,730,131.12 is: 23,596,112.17
Step by Step Solution
- Step 1: Write the proportion equation
56,116,497.84 : 84,178,012.72 = 15,730,131.12 : x - Step 2: Convert to fraction form
56,116,497.84/84,178,012.72 = 15,730,131.12/x - Step 3: Cross multiply
56,116,497.84x = 84,178,012.72 × 15,730,131.12 - Step 4: Simplify right side
56,116,497.84x = 1,324,131,177,506,627.75 - Step 5: Solve for x
x = 1,324,131,177,506,627.75/56,116,497.84 - Step 6: Final answer
x = 23,596,112.17
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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.