Finding the Fourth Proportional to 26,257,464.14, 39,400,072.80 and 18,630,400.06
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Solution
The fourth proportional to 26,257,464.14, 39,400,072.80 and 18,630,400.06 is: 27,955,445.92
Step by Step Solution
- Step 1: Write the proportion equation
26,257,464.14 : 39,400,072.80 = 18,630,400.06 : x - Step 2: Convert to fraction form
26,257,464.14/39,400,072.80 = 18,630,400.06/x - Step 3: Cross multiply
26,257,464.14x = 39,400,072.80 × 18,630,400.06 - Step 4: Simplify right side
26,257,464.14x = 734,039,118,657,124.25 - Step 5: Solve for x
x = 734,039,118,657,124.25/26,257,464.14 - Step 6: Final answer
x = 27,955,445.92
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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.