Finding the Fourth Proportional to 15,235,138.06, 21,024,853.86 and 8,709,374.74
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Solution
The fourth proportional to 15,235,138.06, 21,024,853.86 and 8,709,374.74 is: 12,019,144.85
Step by Step Solution
- Step 1: Write the proportion equation
15,235,138.06 : 21,024,853.86 = 8,709,374.74 : x - Step 2: Convert to fraction form
15,235,138.06/21,024,853.86 = 8,709,374.74/x - Step 3: Cross multiply
15,235,138.06x = 21,024,853.86 × 8,709,374.74 - Step 4: Simplify right side
15,235,138.06x = 183,113,331,120,475.50 - Step 5: Solve for x
x = 183,113,331,120,475.50/15,235,138.06 - Step 6: Final answer
x = 12,019,144.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.