Finding the Fourth Proportional to 19,155,729.69, 26,435,466.99 and 10,454,461.02
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Solution
The fourth proportional to 19,155,729.69, 26,435,466.99 and 10,454,461.02 is: 14,427,461.84
Step by Step Solution
- Step 1: Write the proportion equation
19,155,729.69 : 26,435,466.99 = 10,454,461.02 : x - Step 2: Convert to fraction form
19,155,729.69/26,435,466.99 = 10,454,461.02/x - Step 3: Cross multiply
19,155,729.69x = 26,435,466.99 × 10,454,461.02 - Step 4: Simplify right side
19,155,729.69x = 276,368,559,192,451.69 - Step 5: Solve for x
x = 276,368,559,192,451.69/19,155,729.69 - Step 6: Final answer
x = 14,427,461.84
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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.