Finding the Fourth Proportional to 38,456,996.68, 53,106,628.98 and 24,729,810.76
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Solution
The fourth proportional to 38,456,996.68, 53,106,628.98 and 24,729,810.76 is: 34,150,271.68
Step by Step Solution
- Step 1: Write the proportion equation
38,456,996.68 : 53,106,628.98 = 24,729,810.76 : x - Step 2: Convert to fraction form
38,456,996.68/53,106,628.98 = 24,729,810.76/x - Step 3: Cross multiply
38,456,996.68x = 53,106,628.98 × 24,729,810.76 - Step 4: Simplify right side
38,456,996.68x = 1,313,316,884,776,931.75 - Step 5: Solve for x
x = 1,313,316,884,776,931.75/38,456,996.68 - Step 6: Final answer
x = 34,150,271.68
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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.