Finding the Fourth Proportional to 19,413,405.36, 26,791,060.05 and 10,712,138.49
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Solution
The fourth proportional to 19,413,405.36, 26,791,060.05 and 10,712,138.49 is: 14,783,060.48
Step by Step Solution
- Step 1: Write the proportion equation
19,413,405.36 : 26,791,060.05 = 10,712,138.49 : x - Step 2: Convert to fraction form
19,413,405.36/26,791,060.05 = 10,712,138.49/x - Step 3: Cross multiply
19,413,405.36x = 26,791,060.05 × 10,712,138.49 - Step 4: Simplify right side
19,413,405.36x = 286,989,545,549,506.31 - Step 5: Solve for x
x = 286,989,545,549,506.31/19,413,405.36 - Step 6: Final answer
x = 14,783,060.48
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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.