Finding the Fourth Proportional to 26,766,271.60, 36,937,326.24 and 15,163,807.60
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Solution
The fourth proportional to 26,766,271.60, 36,937,326.24 and 15,163,807.60 is: 20,925,981.65
Step by Step Solution
- Step 1: Write the proportion equation
26,766,271.60 : 36,937,326.24 = 15,163,807.60 : x - Step 2: Convert to fraction form
26,766,271.60/36,937,326.24 = 15,163,807.60/x - Step 3: Cross multiply
26,766,271.60x = 36,937,326.24 × 15,163,807.60 - Step 4: Simplify right side
26,766,271.60x = 560,110,508,361,791.44 - Step 5: Solve for x
x = 560,110,508,361,791.44/26,766,271.60 - Step 6: Final answer
x = 20,925,981.65
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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.