Finding the Fourth Proportional to 19,708,199.98, 29,521,076.54 and 15,849,126.70
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Solution
The fourth proportional to 19,708,199.98, 29,521,076.54 and 15,849,126.70 is: 23,740,538.60
Step by Step Solution
- Step 1: Write the proportion equation
19,708,199.98 : 29,521,076.54 = 15,849,126.70 : x - Step 2: Convert to fraction form
19,708,199.98/29,521,076.54 = 15,849,126.70/x - Step 3: Cross multiply
19,708,199.98x = 29,521,076.54 × 15,849,126.70 - Step 4: Simplify right side
19,708,199.98x = 467,883,282,249,809.31 - Step 5: Solve for x
x = 467,883,282,249,809.31/19,708,199.98 - Step 6: Final answer
x = 23,740,538.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.