Finding the Fourth Proportional to 15,128,264.16, 22,574,404.68 and 13,497,825.36
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Solution
The fourth proportional to 15,128,264.16, 22,574,404.68 and 13,497,825.36 is: 20,141,462.94
Step by Step Solution
- Step 1: Write the proportion equation
15,128,264.16 : 22,574,404.68 = 13,497,825.36 : x - Step 2: Convert to fraction form
15,128,264.16/22,574,404.68 = 13,497,825.36/x - Step 3: Cross multiply
15,128,264.16x = 22,574,404.68 × 13,497,825.36 - Step 4: Simplify right side
15,128,264.16x = 304,705,371,976,606.69 - Step 5: Solve for x
x = 304,705,371,976,606.69/15,128,264.16 - Step 6: Final answer
x = 20,141,462.94
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.