Finding the Fourth Proportional to 51,125,569.66, 76,688,366.10 and 12,787,088.14
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Solution
The fourth proportional to 51,125,569.66, 76,688,366.10 and 12,787,088.14 is: 19,180,635.11
Step by Step Solution
- Step 1: Write the proportion equation
51,125,569.66 : 76,688,366.10 = 12,787,088.14 : x - Step 2: Convert to fraction form
51,125,569.66/76,688,366.10 = 12,787,088.14/x - Step 3: Cross multiply
51,125,569.66x = 76,688,366.10 × 12,787,088.14 - Step 4: Simplify right side
51,125,569.66x = 980,620,896,633,288 - Step 5: Solve for x
x = 980,620,896,633,288/51,125,569.66 - Step 6: Final answer
x = 19,180,635.11
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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.