Finding the Fourth Proportional to 39,006,295.19, 53,828,867.18 and 21,602,275.55
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Solution
The fourth proportional to 39,006,295.19, 53,828,867.18 and 21,602,275.55 is: 29,811,239.84
Step by Step Solution
- Step 1: Write the proportion equation
39,006,295.19 : 53,828,867.18 = 21,602,275.55 : x - Step 2: Convert to fraction form
39,006,295.19/53,828,867.18 = 21,602,275.55/x - Step 3: Cross multiply
39,006,295.19x = 53,828,867.18 × 21,602,275.55 - Step 4: Simplify right side
39,006,295.19x = 1,162,826,021,232,139.25 - Step 5: Solve for x
x = 1,162,826,021,232,139.25/39,006,295.19 - Step 6: Final answer
x = 29,811,239.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.