Finding the Fourth Proportional to 40,465,392.35, 55,842,201.95 and 21,880,488.09
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Solution
The fourth proportional to 40,465,392.35, 55,842,201.95 and 21,880,488.09 is: 30,195,052.21
Step by Step Solution
- Step 1: Write the proportion equation
40,465,392.35 : 55,842,201.95 = 21,880,488.09 : x - Step 2: Convert to fraction form
40,465,392.35/55,842,201.95 = 21,880,488.09/x - Step 3: Cross multiply
40,465,392.35x = 55,842,201.95 × 21,880,488.09 - Step 4: Simplify right side
40,465,392.35x = 1,221,854,634,686,349.75 - Step 5: Solve for x
x = 1,221,854,634,686,349.75/40,465,392.35 - Step 6: Final answer
x = 30,195,052.21
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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.