Finding the Fourth Proportional to 19,178,248.14, 26,466,786.99 and 11,029,492.62
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Solution
The fourth proportional to 19,178,248.14, 26,466,786.99 and 11,029,492.62 is: 15,221,162.52
Step by Step Solution
- Step 1: Write the proportion equation
19,178,248.14 : 26,466,786.99 = 11,029,492.62 : x - Step 2: Convert to fraction form
19,178,248.14/26,466,786.99 = 11,029,492.62/x - Step 3: Cross multiply
19,178,248.14x = 26,466,786.99 × 11,029,492.62 - Step 4: Simplify right side
19,178,248.14x = 291,915,231,781,317 - Step 5: Solve for x
x = 291,915,231,781,317/19,178,248.14 - Step 6: Final answer
x = 15,221,162.52
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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.