Finding the Fourth Proportional to 26,950,292.79, 40,425,420.47 and 6,480,005.60
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Solution
The fourth proportional to 26,950,292.79, 40,425,420.47 and 6,480,005.60 is: 9,720,003.89
Step by Step Solution
- Step 1: Write the proportion equation
26,950,292.79 : 40,425,420.47 = 6,480,005.60 : x - Step 2: Convert to fraction form
26,950,292.79/40,425,420.47 = 6,480,005.60/x - Step 3: Cross multiply
26,950,292.79x = 40,425,420.47 × 6,480,005.60 - Step 4: Simplify right side
26,950,292.79x = 261,956,950,793,427.50 - Step 5: Solve for x
x = 261,956,950,793,427.50/26,950,292.79 - Step 6: Final answer
x = 9,720,003.89
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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.