Finding the Fourth Proportional to 34,498,769.28, 47,607,467.48 and 19,028,521.76
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Solution
The fourth proportional to 34,498,769.28, 47,607,467.48 and 19,028,521.76 is: 26,258,899.95
Step by Step Solution
- Step 1: Write the proportion equation
34,498,769.28 : 47,607,467.48 = 19,028,521.76 : x - Step 2: Convert to fraction form
34,498,769.28/47,607,467.48 = 19,028,521.76/x - Step 3: Cross multiply
34,498,769.28x = 47,607,467.48 × 19,028,521.76 - Step 4: Simplify right side
34,498,769.28x = 905,899,730,881,672.38 - Step 5: Solve for x
x = 905,899,730,881,672.38/34,498,769.28 - Step 6: Final answer
x = 26,258,899.95
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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.