Finding the Fourth Proportional to 11,974,421.79, 17,896,027.66 and 8,742,772.88
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Solution
The fourth proportional to 11,974,421.79, 17,896,027.66 and 8,742,772.88 is: 13,066,259.73
Step by Step Solution
- Step 1: Write the proportion equation
11,974,421.79 : 17,896,027.66 = 8,742,772.88 : x - Step 2: Convert to fraction form
11,974,421.79/17,896,027.66 = 8,742,772.88/x - Step 3: Cross multiply
11,974,421.79x = 17,896,027.66 × 8,742,772.88 - Step 4: Simplify right side
11,974,421.79x = 156,460,905,315,697.97 - Step 5: Solve for x
x = 156,460,905,315,697.97/11,974,421.79 - Step 6: Final answer
x = 13,066,259.73
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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.