Finding the Fourth Proportional to 29,219,044.84, 40,312,490.13 and 16,828,890.16
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Solution
The fourth proportional to 29,219,044.84, 40,312,490.13 and 16,828,890.16 is: 23,218,228.80
Step by Step Solution
- Step 1: Write the proportion equation
29,219,044.84 : 40,312,490.13 = 16,828,890.16 : x - Step 2: Convert to fraction form
29,219,044.84/40,312,490.13 = 16,828,890.16/x - Step 3: Cross multiply
29,219,044.84x = 40,312,490.13 × 16,828,890.16 - Step 4: Simplify right side
29,219,044.84x = 678,414,468,473,854.12 - Step 5: Solve for x
x = 678,414,468,473,854.12/29,219,044.84 - Step 6: Final answer
x = 23,218,228.80
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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.