Finding the Fourth Proportional to 26,646,721.16, 39,964,103.10 and 12,255,963.08
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Solution
The fourth proportional to 26,646,721.16, 39,964,103.10 and 12,255,963.08 is: 18,381,194.79
Step by Step Solution
- Step 1: Write the proportion equation
26,646,721.16 : 39,964,103.10 = 12,255,963.08 : x - Step 2: Convert to fraction form
26,646,721.16/39,964,103.10 = 12,255,963.08/x - Step 3: Cross multiply
26,646,721.16x = 39,964,103.10 × 12,255,963.08 - Step 4: Simplify right side
26,646,721.16x = 489,798,572,118,913.56 - Step 5: Solve for x
x = 489,798,572,118,913.56/26,646,721.16 - Step 6: Final answer
x = 18,381,194.79
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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.