Finding the Fourth Proportional to 26,782,926.21, 36,958,074.12 and 14,862,038.76
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Solution
The fourth proportional to 26,782,926.21, 36,958,074.12 and 14,862,038.76 is: 20,508,301.66
Step by Step Solution
- Step 1: Write the proportion equation
26,782,926.21 : 36,958,074.12 = 14,862,038.76 : x - Step 2: Convert to fraction form
26,782,926.21/36,958,074.12 = 14,862,038.76/x - Step 3: Cross multiply
26,782,926.21x = 36,958,074.12 × 14,862,038.76 - Step 4: Simplify right side
26,782,926.21x = 549,272,330,066,392.81 - Step 5: Solve for x
x = 549,272,330,066,392.81/26,782,926.21 - Step 6: Final answer
x = 20,508,301.66
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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.