Finding the Fourth Proportional to 19,478,854.87, 26,881,610.97 and 10,776,885.75
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Solution
The fourth proportional to 19,478,854.87, 26,881,610.97 and 10,776,885.75 is: 14,872,540.11
Step by Step Solution
- Step 1: Write the proportion equation
19,478,854.87 : 26,881,610.97 = 10,776,885.75 : x - Step 2: Convert to fraction form
19,478,854.87/26,881,610.97 = 10,776,885.75/x - Step 3: Cross multiply
19,478,854.87x = 26,881,610.97 × 10,776,885.75 - Step 4: Simplify right side
19,478,854.87x = 289,700,050,240,050 - Step 5: Solve for x
x = 289,700,050,240,050/19,478,854.87 - Step 6: Final answer
x = 14,872,540.11
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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.