Finding the Fourth Proportional to 21,513,710.82, 32,258,733.27 and 14,697,979.99
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Solution
The fourth proportional to 21,513,710.82, 32,258,733.27 and 14,697,979.99 is: 22,038,885.81
Step by Step Solution
- Step 1: Write the proportion equation
21,513,710.82 : 32,258,733.27 = 14,697,979.99 : x - Step 2: Convert to fraction form
21,513,710.82/32,258,733.27 = 14,697,979.99/x - Step 3: Cross multiply
21,513,710.82x = 32,258,733.27 × 14,697,979.99 - Step 4: Simplify right side
21,513,710.82x = 474,138,216,150,898.38 - Step 5: Solve for x
x = 474,138,216,150,898.38/21,513,710.82 - Step 6: Final answer
x = 22,038,885.81
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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.