Finding the Fourth Proportional to 51,775,432.52, 77,642,965.49 and 19,409,675.09
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Solution
The fourth proportional to 51,775,432.52, 77,642,965.49 and 19,409,675.09 is: 29,106,946.28
Step by Step Solution
- Step 1: Write the proportion equation
51,775,432.52 : 77,642,965.49 = 19,409,675.09 : x - Step 2: Convert to fraction form
51,775,432.52/77,642,965.49 = 19,409,675.09/x - Step 3: Cross multiply
51,775,432.52x = 77,642,965.49 × 19,409,675.09 - Step 4: Simplify right side
51,775,432.52x = 1,507,024,732,699,719.50 - Step 5: Solve for x
x = 1,507,024,732,699,719.50/51,775,432.52 - Step 6: Final answer
x = 29,106,946.28
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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.