Finding the Fourth Proportional to 19,615,722.12, 27,069,272.64 and 11,356,134.48
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Solution
The fourth proportional to 19,615,722.12, 27,069,272.64 and 11,356,134.48 is: 15,671,220.18
Step by Step Solution
- Step 1: Write the proportion equation
19,615,722.12 : 27,069,272.64 = 11,356,134.48 : x - Step 2: Convert to fraction form
19,615,722.12/27,069,272.64 = 11,356,134.48/x - Step 3: Cross multiply
19,615,722.12x = 27,069,272.64 × 11,356,134.48 - Step 4: Simplify right side
19,615,722.12x = 307,402,300,375,624.62 - Step 5: Solve for x
x = 307,402,300,375,624.62/19,615,722.12 - Step 6: Final answer
x = 15,671,220.18
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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.