Finding the Fourth Proportional to 19,156,858.70, 26,437,081.62 and 10,896,708.53
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Solution
The fourth proportional to 19,156,858.70, 26,437,081.62 and 10,896,708.53 is: 15,037,808.52
Step by Step Solution
- Step 1: Write the proportion equation
19,156,858.70 : 26,437,081.62 = 10,896,708.53 : x - Step 2: Convert to fraction form
19,156,858.70/26,437,081.62 = 10,896,708.53/x - Step 3: Cross multiply
19,156,858.70x = 26,437,081.62 × 10,896,708.53 - Step 4: Simplify right side
19,156,858.70x = 288,077,172,903,915.62 - Step 5: Solve for x
x = 288,077,172,903,915.62/19,156,858.70 - Step 6: Final answer
x = 15,037,808.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.