Finding the Fourth Proportional to 28,026,547.44, 38,676,618.36 and 15,149,491.44
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Solution
The fourth proportional to 28,026,547.44, 38,676,618.36 and 15,149,491.44 is: 20,906,288.94
Step by Step Solution
- Step 1: Write the proportion equation
28,026,547.44 : 38,676,618.36 = 15,149,491.44 : x - Step 2: Convert to fraction form
28,026,547.44/38,676,618.36 = 15,149,491.44/x - Step 3: Cross multiply
28,026,547.44x = 38,676,618.36 × 15,149,491.44 - Step 4: Simplify right side
28,026,547.44x = 585,931,098,772,966.75 - Step 5: Solve for x
x = 585,931,098,772,966.75/28,026,547.44 - Step 6: Final answer
x = 20,906,288.94
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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.