Finding the Fourth Proportional to 29,032,053.28, 40,063,925.36 and 15,979,031.94
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Solution
The fourth proportional to 29,032,053.28, 40,063,925.36 and 15,979,031.94 is: 22,050,894.47
Step by Step Solution
- Step 1: Write the proportion equation
29,032,053.28 : 40,063,925.36 = 15,979,031.94 : x - Step 2: Convert to fraction form
29,032,053.28/40,063,925.36 = 15,979,031.94/x - Step 3: Cross multiply
29,032,053.28x = 40,063,925.36 × 15,979,031.94 - Step 4: Simplify right side
29,032,053.28x = 640,182,743,009,163.50 - Step 5: Solve for x
x = 640,182,743,009,163.50/29,032,053.28 - Step 6: Final answer
x = 22,050,894.47
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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.