Finding the Fourth Proportional to 26,211,467.18, 36,163,809.18 and 15,196,018.74
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Solution
The fourth proportional to 26,211,467.18, 36,163,809.18 and 15,196,018.74 is: 20,965,858.88
Step by Step Solution
- Step 1: Write the proportion equation
26,211,467.18 : 36,163,809.18 = 15,196,018.74 : x - Step 2: Convert to fraction form
26,211,467.18/36,163,809.18 = 15,196,018.74/x - Step 3: Cross multiply
26,211,467.18x = 36,163,809.18 × 15,196,018.74 - Step 4: Simplify right side
26,211,467.18x = 549,545,922,009,064.06 - Step 5: Solve for x
x = 549,545,922,009,064.06/26,211,467.18 - Step 6: Final answer
x = 20,965,858.88
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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.