Finding the Fourth Proportional to 26,411,408.32, 36,448,113.36 and 15,955,970.44
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Solution
The fourth proportional to 26,411,408.32, 36,448,113.36 and 15,955,970.44 is: 22,019,462.66
Step by Step Solution
- Step 1: Write the proportion equation
26,411,408.32 : 36,448,113.36 = 15,955,970.44 : x - Step 2: Convert to fraction form
26,411,408.32/36,448,113.36 = 15,955,970.44/x - Step 3: Cross multiply
26,411,408.32x = 36,448,113.36 × 15,955,970.44 - Step 4: Simplify right side
26,411,408.32x = 581,565,019,365,929 - Step 5: Solve for x
x = 581,565,019,365,929/26,411,408.32 - Step 6: Final answer
x = 22,019,462.66
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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.