Finding the Fourth Proportional to 19,615,723.62, 27,069,274.71 and 11,356,135.98
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Solution
The fourth proportional to 19,615,723.62, 27,069,274.71 and 11,356,135.98 is: 15,671,222.25
Step by Step Solution
- Step 1: Write the proportion equation
19,615,723.62 : 27,069,274.71 = 11,356,135.98 : x - Step 2: Convert to fraction form
19,615,723.62/27,069,274.71 = 11,356,135.98/x - Step 3: Cross multiply
19,615,723.62x = 27,069,274.71 × 11,356,135.98 - Step 4: Simplify right side
19,615,723.62x = 307,402,364,486,735.06 - Step 5: Solve for x
x = 307,402,364,486,735.06/19,615,723.62 - Step 6: Final answer
x = 15,671,222.25
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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.