Finding the Fourth Proportional to 19,648,901.68, 27,114,848.66 and 11,277,649.46
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Solution
The fourth proportional to 19,648,901.68, 27,114,848.66 and 11,277,649.46 is: 15,562,791.41
Step by Step Solution
- Step 1: Write the proportion equation
19,648,901.68 : 27,114,848.66 = 11,277,649.46 : x - Step 2: Convert to fraction form
19,648,901.68/27,114,848.66 = 11,277,649.46/x - Step 3: Cross multiply
19,648,901.68x = 27,114,848.66 × 11,277,649.46 - Step 4: Simplify right side
19,648,901.68x = 305,791,758,348,430.75 - Step 5: Solve for x
x = 305,791,758,348,430.75/19,648,901.68 - Step 6: Final answer
x = 15,562,791.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.