Finding the Fourth Proportional to 26,293,787.80, 39,440,681.70 and 15,676,955.80
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Solution
The fourth proportional to 26,293,787.80, 39,440,681.70 and 15,676,955.80 is: 23,515,433.70
Step by Step Solution
- Step 1: Write the proportion equation
26,293,787.80 : 39,440,681.70 = 15,676,955.80 : x - Step 2: Convert to fraction form
26,293,787.80/39,440,681.70 = 15,676,955.80/x - Step 3: Cross multiply
26,293,787.80x = 39,440,681.70 × 15,676,955.80 - Step 4: Simplify right side
26,293,787.80x = 618,309,823,732,768.88 - Step 5: Solve for x
x = 618,309,823,732,768.88/26,293,787.80 - Step 6: Final answer
x = 23,515,433.70
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1.5x scale
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.