Finding the Fourth Proportional to 34,943,614.79, 48,225,775.65 and 21,009,508.79
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Solution
The fourth proportional to 34,943,614.79, 48,225,775.65 and 21,009,508.79 is: 28,995,278.92
Step by Step Solution
- Step 1: Write the proportion equation
34,943,614.79 : 48,225,775.65 = 21,009,508.79 : x - Step 2: Convert to fraction form
34,943,614.79/48,225,775.65 = 21,009,508.79/x - Step 3: Cross multiply
34,943,614.79x = 48,225,775.65 × 21,009,508.79 - Step 4: Simplify right side
34,943,614.79x = 1,013,199,857,423,242.88 - Step 5: Solve for x
x = 1,013,199,857,423,242.88/34,943,614.79 - Step 6: Final answer
x = 28,995,278.92
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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.