Finding the Fourth Proportional to 39,358,885.84, 59,055,380.07 and 21,141,827.08
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Solution
The fourth proportional to 39,358,885.84, 59,055,380.07 and 21,141,827.08 is: 31,721,899.82
Step by Step Solution
- Step 1: Write the proportion equation
39,358,885.84 : 59,055,380.07 = 21,141,827.08 : x - Step 2: Convert to fraction form
39,358,885.84/59,055,380.07 = 21,141,827.08/x - Step 3: Cross multiply
39,358,885.84x = 59,055,380.07 × 21,141,827.08 - Step 4: Simplify right side
39,358,885.84x = 1,248,538,633,583,618.25 - Step 5: Solve for x
x = 1,248,538,633,583,618.25/39,358,885.84 - Step 6: Final answer
x = 31,721,899.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.