Finding the Fourth Proportional to 13,127,894.37, 19,681,643.05 and 8,507,119.37
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Solution
The fourth proportional to 13,127,894.37, 19,681,643.05 and 8,507,119.37 is: 12,754,070.23
Step by Step Solution
- Step 1: Write the proportion equation
13,127,894.37 : 19,681,643.05 = 8,507,119.37 : x - Step 2: Convert to fraction form
13,127,894.37/19,681,643.05 = 8,507,119.37/x - Step 3: Cross multiply
13,127,894.37x = 19,681,643.05 × 8,507,119.37 - Step 4: Simplify right side
13,127,894.37x = 167,434,086,704,404.88 - Step 5: Solve for x
x = 167,434,086,704,404.88/13,127,894.37 - Step 6: Final answer
x = 12,754,070.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.