Finding the Fourth Proportional to 38,967,340.60, 58,437,232.80 and 13,402,404.10
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Solution
The fourth proportional to 38,967,340.60, 58,437,232.80 and 13,402,404.10 is: 20,098,867.32
Step by Step Solution
- Step 1: Write the proportion equation
38,967,340.60 : 58,437,232.80 = 13,402,404.10 : x - Step 2: Convert to fraction form
38,967,340.60/58,437,232.80 = 13,402,404.10/x - Step 3: Cross multiply
38,967,340.60x = 58,437,232.80 × 13,402,404.10 - Step 4: Simplify right side
38,967,340.60x = 783,199,408,471,374.38 - Step 5: Solve for x
x = 783,199,408,471,374.38/38,967,340.60 - Step 6: Final answer
x = 20,098,867.32
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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.