Finding the Fourth Proportional to 19,158,223.68, 26,460,344.16 and 13,954,417.92
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Solution
The fourth proportional to 19,158,223.68, 26,460,344.16 and 13,954,417.92 is: 19,273,117.74
Step by Step Solution
- Step 1: Write the proportion equation
19,158,223.68 : 26,460,344.16 = 13,954,417.92 : x - Step 2: Convert to fraction form
19,158,223.68/26,460,344.16 = 13,954,417.92/x - Step 3: Cross multiply
19,158,223.68x = 26,460,344.16 × 13,954,417.92 - Step 4: Simplify right side
19,158,223.68x = 369,238,700,715,671.38 - Step 5: Solve for x
x = 369,238,700,715,671.38/19,158,223.68 - Step 6: Final answer
x = 19,273,117.74
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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.