Finding the Fourth Proportional to 26,553,229.84, 39,813,348.12 and 11,192,615.92
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Solution
The fourth proportional to 26,553,229.84, 39,813,348.12 and 11,192,615.92 is: 16,781,970.28
Step by Step Solution
- Step 1: Write the proportion equation
26,553,229.84 : 39,813,348.12 = 11,192,615.92 : x - Step 2: Convert to fraction form
26,553,229.84/39,813,348.12 = 11,192,615.92/x - Step 3: Cross multiply
26,553,229.84x = 39,813,348.12 × 11,192,615.92 - Step 4: Simplify right side
26,553,229.84x = 445,615,513,996,414.06 - Step 5: Solve for x
x = 445,615,513,996,414.06/26,553,229.84 - Step 6: Final answer
x = 16,781,970.28
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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.